The team must intervene when Paige and Ralph are on a sabotaged, runaway subway train; Toby tries to impress Happy during his first boxing match.

A Navy SEAL Medal of Honor recipient embroils Harm in a dangerous mission to expose power-hungry people falsely claiming to be Navy SEALs; hoping to prove a point, Lt. Rivers hires a hit man to kill Harm.

Harm reopens a 10-year-old murder case and angers the victim's daughter.

Callen's former partner (Marisol Nichols) takes hostages at a Navy recruitment center.

Ultrasound technician and newlywed Rosemarie "Kim" Junor is stabbed in the chest by a stranger in 2015, and the subsequent trial results in a verdict that still haunts Junor's family.

A man scouring for bottles in downtown Calgary dumpsters makes a grisly discovery, and a trail of forensic evidence leads police to uncover a deadly betrayal.

In 2020, 21-year-old Dioneth Lopez goes missing while on a trip to visit friends. Her body turns up in the woodlands of Washington State. She is treated as a Jane Doe until detectives find surveillance footage that pieces together her final hour.

During a night of full-moon madness, Ray punches a hole in the interrogation room wall and finds a perfectly preserved corpse.

Fraser must find a flight attendant's killer before her RCMP father starts an international incident.

On Valentine's Day, police discover Demetrius Graves fatally stabbed on the street; two days later, Bonnie Ross turns up dead at home; a trail of CCTV evidence uncovers that these two very different people share one fateful connection.

In 2020, 21-year-old Dioneth Lopez goes missing while on a trip to visit friends. Her body turns up in the woodlands of Washington State. She is treated as a Jane Doe until detectives find surveillance footage that pieces together her final hour.

A mishap blamed on Bud's brother during a training exercise ignites a tense conflict with international ramifications between the Navy and the Marines.

Teenagers, who because of hormones and development within the brain, cannot deal with intense, raw emotions.

Stories of children killing a family member.

Antisocial adolescents find unity in gangs or criminal cults; examining group-think; the manipulation of a gang leader ends in tragedy.

Upon visiting the home of a woman found strangled to death in a local park, police discover her family has been murdered as well.

When a woman is swallowed whole by a giant snake, the CSI team suspects that Horatio's nemesis, Clavo Cruz, is behind an operation that uses snakes to smuggle drugs into the country.

A mishap blamed on Bud's brother during a training exercise ignites a tense conflict with international ramifications between the Navy and the Marines.

Harm, Mac and Webb race to avert a Russian assassination; a Russian comrade reveals a secret to Harm.

When a woman is swallowed whole by a giant snake, the CSI team suspects that Horatio's nemesis, Clavo Cruz, is behind an operation that uses snakes to smuggle drugs into the country.

Teenagers, who because of hormones and development within the brain, cannot deal with intense, raw emotions.

Stories of children killing a family member.

Antisocial adolescents find unity in gangs or criminal cults; examining group-think; the manipulation of a gang leader ends in tragedy.

Upon visiting the home of a woman found strangled to death in a local park, police discover her family has been murdered as well.

Teenagers, who because of hormones and development within the brain, cannot deal with intense, raw emotions.

Stories of children killing a family member.

Antisocial adolescents find unity in gangs or criminal cults; examining group-think; the manipulation of a gang leader ends in tragedy.

Upon visiting the home of a woman found strangled to death in a local park, police discover her family has been murdered as well.

A sexual predator on the loose in the 1970s and 1980s; two little girls are attacked by the "Southwest Calgary Rapist" while riding their bikes one hot sunny day; homicide investigators were on the trail for a killer.

In 2010, three men are murdered in a convenience store in Minneapolis's Somali community; the store's CCTV system uncovers evidence of a robbery gone wrong; footage from cameras around the city could offer clues to the killer's identity.

After Kowalski is framed for the murder of a crime boss, Fraser places him under arrest at the Canadian consulate.

The case of a murdered sailor, $100 million in gold bullion and a ghost ship in the Great Lakes Triangle tests feuding Fraser and Kowalski.

In 2018, an explosion kills Anthony House on his doorstep; as police investigate, another bomb goes off, killing teen Draylen Mason; it becomes clear that Austin, Texas, is under attack from a serial bomber; police must use CCTV to track him down.

In 2010, three men are murdered in a convenience store in Minneapolis's Somali community; the store's CCTV system uncovers evidence of a robbery gone wrong; footage from cameras around the city could offer clues to the killer's identity.

Harm discovers that Sergei is framed for a crime punishable by death; Mac arrives in Russia to prevent a presidential assassination.

Intruders wake sleeping homeowners and a deadly shootout ensues; a model and her husband are robbed at gunpoint and dodge a barrage of bullets; a man sitting in his yard holds armed robbers at bay with a machete until police arrive.

A disgruntled renter pulls a gun on an apartment manager and shoots him in a fit of rage; a fast food worker is assaulted by an unhinged customer; a bar owner chokes his employee until her terrified daughter intervenes.

An insurance agency worker is cornered by a knife-yielding man; thieves run over a couple that has just made a huge bank withdrawal; a hotel clerk is set on fire when he won't hand over guests' credit card numbers.

A gunman shoots a man inside a convenience store but is overpowered by customers and employees; a bystander intervenes when a masked man robs a coffee shop, and a knife fight ensues; a man holds up a clerk, but she turns the tables.

With the end of the program drawing near, the participants struggle to tie up loose ends, fend off suspicion, and face real problems in the jail.

Conflicts with inmates and growing suspicion spells trouble for the team; one participant moves out of the pod.

As a new participant enters the jail, the rest of the team is at their breaking point, which leads to a dangerous discovery.

Harm discovers that Sergei is framed for a crime punishable by death; Mac arrives in Russia to prevent a presidential assassination.

Harm and Bud's investigation leads them to Cuba and a meeting with Castro when the captain of a U.S. Navy frigate rescues a girl in Cuban waters.

Intruders wake sleeping homeowners and a deadly shootout ensues; a model and her husband are robbed at gunpoint and dodge a barrage of bullets; a man sitting in his yard holds armed robbers at bay with a machete until police arrive.

A disgruntled renter pulls a gun on an apartment manager and shoots him in a fit of rage; a fast food worker is assaulted by an unhinged customer; a bar owner chokes his employee until her terrified daughter intervenes.

An insurance agency worker is cornered by a knife-yielding man; thieves run over a couple that has just made a huge bank withdrawal; a hotel clerk is set on fire when he won't hand over guests' credit card numbers.

A gunman shoots a man inside a convenience store but is overpowered by customers and employees; a bystander intervenes when a masked man robs a coffee shop, and a knife fight ensues; a man holds up a clerk, but she turns the tables.

With the end of the program drawing near, the participants struggle to tie up loose ends, fend off suspicion, and face real problems in the jail.

Conflicts with inmates and growing suspicion spells trouble for the team; one participant moves out of the pod.

As a new participant enters the jail, the rest of the team is at their breaking point, which leads to a dangerous discovery.

An insurance agency worker is cornered by a knife-yielding man; thieves run over a couple that has just made a huge bank withdrawal; a hotel clerk is set on fire when he won't hand over guests' credit card numbers.

A gunman shoots a man inside a convenience store but is overpowered by customers and employees; a bystander intervenes when a masked man robs a coffee shop, and a knife fight ensues; a man holds up a clerk, but she turns the tables.

With the end of the program drawing near, the participants struggle to tie up loose ends, fend off suspicion, and face real problems in the jail.

Conflicts with inmates and growing suspicion spells trouble for the team; one participant moves out of the pod.

As a new participant enters the jail, the rest of the team is at their breaking point, which leads to a dangerous discovery.

Crime reporter Nancy Hixt reviews the case of Meika Jordan, a six-year-old girl whose life was tragically cut short; Nancy reveals the details of this case and the evidence uncovered by investigators in their quest for justice.

Dismembered remains belonging to a child are uncovered, and Alan Carter returns to the scene of the crime 20 years later, reuniting with the lead detective and a community coming together in grief.

In 2017, in San Diego, 28-year-old musician Omar Medina goes missing; his family's worst fears are confirmed when his body turns up in a barrel floating in the bay; police turn to surveillance footage to track down the people responsible.

The case of a murdered sailor, $100 million in gold bullion and a ghost ship in the Great Lakes Triangle tests feuding Fraser and Kowalski.

Ray and Kowalski help a small-town sheriff when the town's baseball team becomes a target of sabotage attempts.

Choir director Kathy Blair's son discovers her murdered at home; detectives find camera footage containing a shadowy figure that might just be their killer; the murder of a couple nearby sparks fears this might be the work of a serial killer.

In 2017, in San Diego, 28-year-old musician Omar Medina goes missing; his family's worst fears are confirmed when his body turns up in a barrel floating in the bay; police turn to surveillance footage to track down the people responsible.

When two naval aviators are killed in the crash of their upgraded F-14 jet, Harm uncovers improprieties with the civilian contractor and the Navy liaison.

As Mac prepares for her first televised prosecution, she learns that her opponent is Juanita Ressler who was her professor in law school.

Danny must hold completely still as technicians disarm a bomb he accidentally activated; McGarrett tries to distract his partner by sharing a story about a tough case.

Gibbs is suspicious when Vance asks him to interrogate a teenage boy accused of killing his retired Marine father.

The members of Team Scorpion take a lucrative job locating a top-secret aircraft in Area 51 for the CIA.

The team must find the person who caused a jet carrying $1.2 billion in checks to crash in a suburban neighborhood.

When two naval aviators are killed in the crash of their upgraded F-14 jet, Harm uncovers improprieties with the civilian contractor and the Navy liaison.

As Mac prepares for her first televised prosecution, she learns that her opponent is Juanita Ressler who was her professor in law school.

The team must find the person who caused a jet carrying $1.2 billion in checks to crash in a suburban neighborhood.

The members of Team Scorpion take a lucrative job locating a top-secret aircraft in Area 51 for the CIA.

Danny must hold completely still as technicians disarm a bomb he accidentally activated; McGarrett tries to distract his partner by sharing a story about a tough case.

The brutal murder of a former investigative assistant connects to a crew planning to rob a woman's warehouse; a new special agent (Sarah Jane Morris) arrives at the office.

The team must find the person who caused a jet carrying $1.2 billion in checks to crash in a suburban neighborhood.

The members of Team Scorpion take a lucrative job locating a top-secret aircraft in Area 51 for the CIA.

When two naval aviators are killed in the crash of their upgraded F-14 jet, Harm uncovers improprieties with the civilian contractor and the Navy liaison.

As Mac prepares for her first televised prosecution, she learns that her opponent is Juanita Ressler who was her professor in law school.

After terrorists kill a state department employee and a plastic surgeon, the team searches for the only witness who can identify the killers' surgically altered faces.

After a year studying abroad, Lukas Strasser-Hird had dreams to be a doctor; he went out with friends to celebrate when he arrived home, but no one could have predicted how dangerous the situation was to become.

Coaxed from her home for a photoshoot, a promising young athlete never returns: Caryn Lieberman brings us through the DNA breakthrough that cracks the case to a mother's national safety campaign.

In 2017, Alisha Canales-McGuire is shot dead at her sister's house; evidence points to a targeted attack, but detectives can find no motive until CCTV and social media lead to a tangled murder plot and a twist of fate.

Fraser must protect his friend from a criminal when the two men witness a jewelry heist.

When a pretzel vendor is gunned down in the park, Fraser investigates the crime, with surprising results.

A motorist shoots dead Whitney Gray while she shops with her young kids and teenage niece; detectives follow a trail of CCTV to track down the suspect car and discover that the killer is on the run and carrying a stash of weapons.

In 2017, Alisha Canales-McGuire is shot dead at her sister's house; evidence points to a targeted attack, but detectives can find no motive until CCTV and social media lead to a tangled murder plot and a twist of fate.

An Arabian princess elopes with a Navy petty officer, setting off an international scandal; Mac is assigned to represent the Arab princess at an INS hearing and before an Islamic court.

Harm and Mac find themselves on opposite sides of the high-profile court-martial of Adm. Boone, who finally speaks up about the alleged massacre.

The murder of a computer hacker prompts an investigation, and McGarrett tries to stage a reunion.

A message in blood left by a murdered officer leads NCIS to a manuscript that may contain classified information.

Team Scorpion is blackmailed into breaking into the United Nations to help with the assassination of an arms dealer; Sylvester tries to protect Megan's wishes.

The team investigates the possible murder of Jake Sullivan (Tony Hawk), a skateboarder and video-game tester.

An Arabian princess elopes with a Navy petty officer, setting off an international scandal; Mac is assigned to represent the Arab princess at an INS hearing and before an Islamic court.

Harm and Mac find themselves on opposite sides of the high-profile court-martial of Adm. Boone, who finally speaks up about the alleged massacre.

The team investigates the possible murder of Jake Sullivan (Tony Hawk), a skateboarder and video-game tester.

Team Scorpion is blackmailed into breaking into the United Nations to help with the assassination of an arms dealer; Sylvester tries to protect Megan's wishes.

The murder of a computer hacker prompts an investigation, and McGarrett tries to stage a reunion.

Special Agent Barrett investigates a death she believes is connected to a series of murders; Ziva introduces her boyfriend to the team.

The team investigates the possible murder of Jake Sullivan (Tony Hawk), a skateboarder and video-game tester.

Team Scorpion is blackmailed into breaking into the United Nations to help with the assassination of an arms dealer; Sylvester tries to protect Megan's wishes.

An Arabian princess elopes with a Navy petty officer, setting off an international scandal; Mac is assigned to represent the Arab princess at an INS hearing and before an Islamic court.

Harm and Mac find themselves on opposite sides of the high-profile court-martial of Adm. Boone, who finally speaks up about the alleged massacre.

Terrorist leaders are suspected of murdering a retired Army sergeant; Deek connects with a person of interest in the case.

Alicia's disappearance leads to one of the largest missing person searches in Ontario's history; reporter Catherine McDonald reconnects with Alicia's mother to tell the tale.

A small community in the Rocky Mountains is shattered when two people are found dead and a two-year old goes missing; Nancy Hixt recounts one of the most disturbing cases she's covered.

A motorist shoots dead Whitney Gray while she shops with her young kids and teenage niece; detectives follow a trail of CCTV to track down the suspect car and discover that the killer is on the run and carrying a stash of weapons.

Fraser (Paul Gross) arrests a legendary poker player and becomes entangled in a federal investigation.

Kowalski and Fraser must investigate a policeman's homicide to save the victim's wife from getting the death penalty.

On April 3rd, 2017, Assistant Chief Deputy Clint Greenwood is shot dead at point blank range at the Harris County Courthouse outside Houston, Texas; no eye witnesses, but maybe security cameras lead them to Clint's killer.

Shirley Shell is a loving wife and the dedicated mother of three children and two grandchildren, but in 2007, Shirley is found brutally murdered at home in Edmond, Okla.

Harm's father's old wingman is up for a command post, but information from an informant spurs an investigation in which Mac and Harm begin to uncover damaging evidence; a top admiral is accused of massacring civilians during the Vietnam War.

Bud sues Harriet's obstetrician for the death of their baby; he inadvertently forces his wife to reveal a devastating secret publicly.

As the team investigates a grisly murder, evidence suggests the killer is about to strike again.

Tony revisits his days as a detective in Baltimore after learning that his former partner is likely the latest victim of the port-to-port killer.

When the team and Walter's parents visit Megan in the hospital, a deadly fungus outbreak occurs, forcing everyone into quarantine.

When an IRS agent is killed trying to repossess a yacht, and another is shot to death soon afterward, the team searches for the perpetrators in a potential series of murders before tax day.

Harm's father's old wingman is up for a command post, but information from an informant spurs an investigation in which Mac and Harm begin to uncover damaging evidence; a top admiral is accused of massacring civilians during the Vietnam War.

Bud sues Harriet's obstetrician for the death of their baby; he inadvertently forces his wife to reveal a devastating secret publicly.

When an IRS agent is killed trying to repossess a yacht, and another is shot to death soon afterward, the team searches for the perpetrators in a potential series of murders before tax day.

When the team and Walter's parents visit Megan in the hospital, a deadly fungus outbreak occurs, forcing everyone into quarantine.

As the team investigates a grisly murder, evidence suggests the killer is about to strike again.

A Navy lieutenant's murder is caught on tape by a Pentagon security camera; Gibbs reveals that Agent Barrett and her team will take over a case involving a serial killer.

When an IRS agent is killed trying to repossess a yacht, and another is shot to death soon afterward, the team searches for the perpetrators in a potential series of murders before tax day.

When the team and Walter's parents visit Megan in the hospital, a deadly fungus outbreak occurs, forcing everyone into quarantine.

Harm's father's old wingman is up for a command post, but information from an informant spurs an investigation in which Mac and Harm begin to uncover damaging evidence; a top admiral is accused of massacring civilians during the Vietnam War.

Bud sues Harriet's obstetrician for the death of their baby; he inadvertently forces his wife to reveal a devastating secret publicly.

The team searches for a missing book containing top-secret information, which belonged to an antiques dealer who was murdered.

In May of 2007, 15 year old Jordan Manners was gunned down in a hallway, marking the first time a student was shot and killed inside a Toronto school and Catherine McDonald remembers the murder, its impact on the community and his family.

At 29 years old, Lisa Mitchell and her common-law husband, Allan, had two children and she juggled two jobs to try to make ends meet and then one day, she disappeared, leaving her common-law husband and two children behind.

Josh Richards is shot execution style in the middle of a nightclub in Appleton, Wis.; when detectives delve deeper into the investigation, they discover a camera has the potential to reveal the identity of a killer.

After a voodoo priest dies, Fraser and Kowalski (Paul Gross, Callum Keith Rennie) investigate a secretive Haitian community.

Fraser sings backup for a Canadian country-western singer (Michelle Wright) who has received death threats.

A 24-year-old Yale Ph.D. student named Annie Le goes missing; CCTV shows Annie arrive at Yale, but she is not seen leaving; police search every inch of the building, until they find something horrific.

Josh Richards is shot execution style in the middle of a nightclub in Appleton, Wis.; when detectives delve deeper into the investigation, they discover a camera has the potential to reveal the identity of a killer.

An admiral's past improper sexual conduct hits the newspapers; Harm suspects Lt. Singer of leaking the story to promote her own career.

Harm goes to bat for a down-on-his-luck Marine veteran; he faces a lengthy prison term under the three-strikes law after assaulting a man who was beating his son.

McGarrett thinks a smart, seductive therapist (Vanessa Marcil) murdered one of her patients; one of Doris' former targets seeks revenge.

The lives of the team members are in danger when they discover the identity of the Port-to-Port killer.

The members of the team go under cover at a university in order to track a hacker who is putting the world economy at risk.

Horatio gets life changing information about his deceased brother.

An admiral's past improper sexual conduct hits the newspapers; Harm suspects Lt. Singer of leaking the story to promote her own career.

Harm goes to bat for a down-on-his-luck Marine veteran; he faces a lengthy prison term under the three-strikes law after assaulting a man who was beating his son.

Horatio gets life changing information about his deceased brother.

The members of the team go under cover at a university in order to track a hacker who is putting the world economy at risk.

McGarrett thinks a smart, seductive therapist (Vanessa Marcil) murdered one of her patients; one of Doris' former targets seeks revenge.

After receiving new evidence that the Port-to-Port killer has infiltrated the agency, the team races to track him down.

Horatio gets life changing information about his deceased brother.

The members of the team go under cover at a university in order to track a hacker who is putting the world economy at risk.

An admiral's past improper sexual conduct hits the newspapers; Harm suspects Lt. Singer of leaking the story to promote her own career.

Harm goes to bat for a down-on-his-luck Marine veteran; he faces a lengthy prison term under the three-strikes law after assaulting a man who was beating his son.

Hetty and the team continue searching for an elusive book that has the attention of foreign security agencies.

Teenage sisters Marsha and Tamara Ottey were stabbed to death in August 1995; months later, Dimitrija Trajceski became the first TTC worker killed on the job; Caryn Lieberman shares the story of how these two families' lives became intertwined.

Kimberlee hasn't been heard from since 2016; her partner says she left and abandoned the family and her parents accuse him of murder; Rumina Daya investigates this unsolved case that's testing the limits of international justice.

In June 2016, Larry Weaver decides to spend the night in Sikeston, Mo., while on his way home to his wife; there's no sign of him or his bike the next day, but security cameras could help the police.

Fraser and Ray arrest a mob boss who, in turn, threatens the Chicago Police Department with a harassment suit.

A murder-for-hire business has a unique body-disposal system.

A family's worst nightmare begins when 23-year-old Christina Morris goes missing while out with friends in Plano, Texas; police franticly search to find her alive, but it's the discovery of surveillance camera footage that reveals the shocking truth.

In June 2016, Larry Weaver decides to spend the night in Sikeston, Mo., while on his way home to his wife; there's no sign of him or his bike the next day, but security cameras could help the police.

Harm and Mac defend an American captain who becomes a political scapegoat for a collision between a U.S. frigate and Greek and Turkish warships.

Harm sticks his neck out for a Marine sergeant charged with the murder of his wife, a man who claims a miracle led him to the crime scene.

McGarrett and a little girl are taken hostage by an armed man (Tom Arnold) during a camping trip with Grace; Kono meets Adam's brother, who was recently released from prison.

The team investigates when the body of an NCIS facilities manager is found four months after she went missing; as the team faces mandatory psych evaluations, Gibbs is concerned about Abby's recurring nightmares.

Team Scorpion must stop a catastrophe on Christmas Eve when heavy rain creates a large crack in a dam, putting an entire town in danger.

When a bitter custody battle ends with a courthouse murder, the team must use the available evidence to find the killer.

Harm and Mac defend an American captain who becomes a political scapegoat for a collision between a U.S. frigate and Greek and Turkish warships.

Harm sticks his neck out for a Marine sergeant charged with the murder of his wife, a man who claims a miracle led him to the crime scene.

When a bitter custody battle ends with a courthouse murder, the team must use the available evidence to find the killer.

Team Scorpion must stop a catastrophe on Christmas Eve when heavy rain creates a large crack in a dam, putting an entire town in danger.

McGarrett and a little girl are taken hostage by an armed man (Tom Arnold) during a camping trip with Grace; Kono meets Adam's brother, who was recently released from prison.

Following the bombing of NCIS headquarters, the team engages in a cross-agency manhunt for Harper Dearing.

When a bitter custody battle ends with a courthouse murder, the team must use the available evidence to find the killer.

Team Scorpion must stop a catastrophe on Christmas Eve when heavy rain creates a large crack in a dam, putting an entire town in danger.

Harm and Mac defend an American captain who becomes a political scapegoat for a collision between a U.S. frigate and Greek and Turkish warships.

Harm sticks his neck out for a Marine sergeant charged with the murder of his wife, a man who claims a miracle led him to the crime scene.

While investigating a deadly dispute, Kensi connects with a discharged Navy intelligence officer who has post-traumatic stress disorder.

An accomplished dancer, an aspiring urban planner, two talented musicians, and a young man who was well on his way to becoming a humanitarian became victims of the biggest mass killing in Calgary's history.

What started out as a party to mark the end of classes at the University of Calgary ended in a horrific tragedy; to add to the complexity of the case, investigators quickly learned the suspect was the son of one of their own.

In 2017, Chinese exchange student Yingying Zhang mysteriously vanishes from the University of Illinois campus; police and the FBI turn to surveillance footage to uncover the shocking and sinister reality.

Fraser and Ray investigate after witnessing men in a white limousine abduct a teen girl from a shopping mall.

A female Mountie, who comes to Chicago after two murder suspects, has a strange attraction for Fraser.

Young professional Sasha Samsudean disappears after a night out in downtown Orlando, Fla.; detectives turn to video surveillance footage to unravel the mystery and bring Sasha's killer to justice.

In 2017, Chinese exchange student Yingying Zhang mysteriously vanishes from the University of Illinois campus; police and the FBI turn to surveillance footage to uncover the shocking and sinister reality.

When a seaman's suicide aboard an aircraft carrier becomes a murder investigation, Harm and Bud are assigned to aid in the search for the killer.

It takes over two decades to find out who was behind the brutal baseball bat killing of a popular high school football player, and the revelation shocks everyone.

Caught in a dangerous love triangle, 19-year-old Rachel Wade stabbed 17-year-old Sarah Ludemann over Joshua Camacho.

At age 17, Christine Paolilla and her drug-addicted boyfriend took the lives of four people including two of her friends in a horrific, jealousy-fuelled attack, which became known as the Clear Lake Murders.

Recently released inmates reenter society and move in with people they barely know who are welcoming them into their homes.

When there is a murder at a high-school reunion, the team investigates and learns that popularity issues from the past played a role in the killer's motives.

When a seaman's suicide aboard an aircraft carrier becomes a murder investigation, Harm and Bud are assigned to aid in the search for the killer.

When a Russian submarine explodes killing 110 men, the U.S. submarine seen tailing the submarine is blamed for the incident.

When there is a murder at a high-school reunion, the team investigates and learns that popularity issues from the past played a role in the killer's motives.

It takes over two decades to find out who was behind the brutal baseball bat killing of a popular high school football player, and the revelation shocks everyone.

Caught in a dangerous love triangle, 19-year-old Rachel Wade stabbed 17-year-old Sarah Ludemann over Joshua Camacho.

At age 17, Christine Paolilla and her drug-addicted boyfriend took the lives of four people including two of her friends in a horrific, jealousy-fuelled attack, which became known as the Clear Lake Murders.

Recently released inmates reenter society and move in with people they barely know who are welcoming them into their homes.

It takes over two decades to find out who was behind the brutal baseball bat killing of a popular high school football player, and the revelation shocks everyone.

Caught in a dangerous love triangle, 19-year-old Rachel Wade stabbed 17-year-old Sarah Ludemann over Joshua Camacho.

At age 17, Christine Paolilla and her drug-addicted boyfriend took the lives of four people including two of her friends in a horrific, jealousy-fuelled attack, which became known as the Clear Lake Murders.

Recently released inmates reenter society and move in with people they barely know who are welcoming them into their homes.

New leads in the 10 year old case of a 42-year-old nurse brutally murdered in her home; her family questions why it is taking so long to make an arrest.

Michele Davis dies after a traffic accident on the interstate near Des Moines, Iowa; surveillance cameras show that what first appeared as an accident could be something more sinister.

Ice-fisherman Fraser catches a corpse, finds another, and gets chased by bad guys with grenade launchers.

Fraser and Kowalski pursue an arms dealer to the Yukon, where they join forces with Buck Frobisher's (Leslie Nielsen) detachment.

When she interrupts a burglary at home, Diane Pranske is abducted and left for dead across state lines; detectives turn to surveillance video to find her assailant, and investigators try to get justice for this brutal crime.

Michele Davis dies after a traffic accident on the interstate near Des Moines, Iowa; surveillance cameras show that what first appeared as an accident could be something more sinister.

Locals angered by a land dispute catch Gunny by surprise while he is transporting a prisoner, ambushing both of them before the 67-year-old private can face a court-martial.

A man shoots his wife, and the crime is caught on camera; questions are asked if the act was a cold-blooded murder or a justified act of self-defense.

After years of caring for a sick child, a mother may be hiding a terrible secret; accused of attempting to murder her son, she now fights for her freedom.

A young man who witnesses a brutal attack intervenes and throws a punch; questions are asked if the act was justified, or if he should be sentenced to 20 years.

A murder remains unsolved for 10 years; police finally have a suspect, but the accused would have been 13 years old at the time.

When a condemned ax-murderer on death row appeals for his life, the team must investigate.

Locals angered by a land dispute catch Gunny by surprise while he is transporting a prisoner, ambushing both of them before the 67-year-old private can face a court-martial.

Harm and Mac travel to Bahrain to investigate a Marine found aboard a terrorist boat that attacked a U.S. Naval destroyer.

When a condemned ax-murderer on death row appeals for his life, the team must investigate.

A man shoots his wife, and the crime is caught on camera; questions are asked if the act was a cold-blooded murder or a justified act of self-defense.

After years of caring for a sick child, a mother may be hiding a terrible secret; accused of attempting to murder her son, she now fights for her freedom.

A young man who witnesses a brutal attack intervenes and throws a punch; questions are asked if the act was justified, or if he should be sentenced to 20 years.

A murder remains unsolved for 10 years; police finally have a suspect, but the accused would have been 13 years old at the time.

A man shoots his wife, and the crime is caught on camera; questions are asked if the act was a cold-blooded murder or a justified act of self-defense.

After years of caring for a sick child, a mother may be hiding a terrible secret; accused of attempting to murder her son, she now fights for her freedom.

A young man who witnesses a brutal attack intervenes and throws a punch; questions are asked if the act was justified, or if he should be sentenced to 20 years.

A murder remains unsolved for 10 years; police finally have a suspect, but the accused would have been 13 years old at the time.

It was October 1984 in a small town outside Toronto; a young girl went missing; three months later, Christine Jessop's body was found more than 50 kilometers away from her Queensville home.

Shannon Madill had everything going for her; she had just landed an audition for a role in a television series; was looking forward to moving from Calgary to Edmonton; the audition was recorded on video; hours later she vanished.

When a young mother of two is found brutally murdered at home, suspicion falls on her friends; detectives zero in on multiple suspects who tell different stories, and they don't know who to trust.

Fraser gets temporary custody of a 12-year-old purse snatcher who is connected to the armed robbery he and Ray are investigating.

Fraser and Ray investigate an insurance scam involving professional boxing while a wolf cruises Chicago looking for a good time.

A quiet town is shaken to its core when an innocent woman is gunned down in broad daylight; detectives desperately act to find her killer and restore the peace.

When a young mother of two is found brutally murdered at home, suspicion falls on her friends; detectives zero in on multiple suspects who tell different stories, and they don't know who to trust.

While on liberty in Mazatlan, Mexico, Bud's brother Mikey is charged with murder during a barroom brawl.

Clark Palmer, Harm's old nemesis, claims he can clear his prison buddy Marine Sgt. Krohn of charges of attempted murder.

The night before an election, the governor asks the team to investigate when a prostitute is found dead in a missing congressman's bed; Danny waits for a custody decision.

When a helicopter crew's training mission ends in a disastrous crash, the NCIS team must figure out what happened and find the missing pilot; Ziva challenges McGee and Tony to a dare.

The members of Team Scorpion brave subzero temperatures in Antarctica to save a United States Special Forces unit; Toby risks his life to save Happy.

A Florida team of forensics investigators uses cutting-edge scientific methods and old-fashioned police work to solve crimes. Horatio Caine, a former homicide detective, heads a group of investigators who work crimes amid the steamy tropical surroundings and cultural crossroads of Miami.

While on liberty in Mazatlan, Mexico, Bud's brother Mikey is charged with murder during a barroom brawl.