Detectives find the body of a 34-year-old man who appears to have been shot to death behind an abandoned building.

A body is found face up in an abandoned lot used to shoot off guns on Independence Day.

Police find a body riddled with bullet holes when a van crashes in front of a house; fingerprints and witness testimony lead investigators deep into the victim's inner circle.

A 58-year-old man is found dead in an open field on Mother's Day morning.

Detectives find the body of a 34-year-old man who appears to have been shot to death behind an abandoned building.

Investigators race against time to identify a murder suspect.

A young man is shot dead in his front yard in broad daylight; a store clerk appears have had knowledge of the shooting before it happened; investigators use ballistic analysis, cell records and surveillance tape to find the killer.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

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Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

A woman is brutally assaulted then set on fire by her attacker; a man is forced to amputate part of his leg after it is caught in a drive shaft; an act of kindness backfires on a motorist.

A store manager is savagely attacked by robbers; a former Marine is stranded on a mountain in a blizzard; a woman is kidnapped at gunpoint by her boyfriend.

A woman is abducted at knife-point; a farmer rips his hand off to escape from a combine harvester; a girl is left for dead after having her throat slit.

A mother is abducted by a man who threatens to shoot her baby; a plane crash leaves a man swimming for his life; a woman must play dead to stay alive.

A boy's toy car provides an important clue for detectives as they struggle to make a case against a serial killer.

A dry cleaning tag inside a sweatshirt left at a crime scene helps police track down a serial killer and rapist who had been eluding them for years.

A co-worker goes to check on a woman who failed to show up for work; a woman reports being raped in her home.

James Allen Selby, a serial rapist who eluded police for years.

A second murder solves the first; genetic trace solves a teen's murder.

A deacon suspected of having an affair is found shot to death in Tijuana, Mexico; a woman claims she was assaulted by the man that killed her husband.

A cell phone and an ATM card lead to the apprehension of a rapist.

Fifteen years after a husband is convicted of murder, police discover that he may have been wrongly accused.

The infant subject of a child-custody dispute is found burned; a body is discovered in a home's crawlspace.

Police hunt for over 15 years for a serial killer who lures women to Kansas for sadomasochistic sexual trysts at hotels; unprecedented access to surveillance photos and video from the investigation provides a glimpse inside the probe.

Detectives suspect that several violent crimes are connected; a maintenance man finds a body in a bathroom.

Detectives search for a man who rapes and kills women; an ex-girlfriend is the prime suspect when a man goes missing.

The infant subject of a child-custody dispute is found burned; a body is discovered in a home's crawlspace.

Police hunt for over 15 years for a serial killer who lures women to Kansas for sadomasochistic sexual trysts at hotels; unprecedented access to surveillance photos and video from the investigation provides a glimpse inside the probe.

Detectives suspect that several violent crimes are connected; a maintenance man finds a body in a bathroom.

Detectives search for a man who rapes and kills women; an ex-girlfriend is the prime suspect when a man goes missing.

A cell phone and an ATM card lead to the apprehension of a rapist.

Fifteen years after a husband is convicted of murder, police discover that he may have been wrongly accused.

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Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

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A mother is jammed into a snow-filled garbage can by her ex-husband; a woman struggles to escape a pile of bodies after an elevator malfunction; three men attack a bar owner as part of a gang initiation.

A young nurse is abducted and tortured by a serial killer; a mother and her daughter are trapped in their attic during a flash flood.

A man, high on the drug PCP, goes on a rampage, stabbing his 11-year-old daughter and viciously attacking and stabbing a neighbor and her son; a man is beaten unconscious by his building contractor.

A pregnant woman is attacked by her neighbor; a young girl is abducted and held captive; a hiker spends three days crawling down a mountain after breaking his ankle.

The family of Kenia Monge share the agonizing details of what happened around the beautiful 19-year-old's disappearance; her father, sister and authorities explain how the texts in Kenia's cell phone were the impetus to finding her abductor.

Hannah Anderson's best friend knew something was wrong when Hannah stopped responding to her texts; no one knew that Hannah had been abducted by someone close to her; the amber alert system was used for the first time.

When Deserae Turner doesn't come home after school, her mother and friends begin texting her incessantly; a massive search ensues and 47 of her friends are questioned; her Snapchat turns out to be the key to the mystery.

Kelsey's family knew something was amiss when their usually responsible and responsive daughter didn't respond to their texts while out running an errand.

Travel blogger Carla Stefaniak goes to Costa Rica to celebrate her 36th birthday, but when she is to arrive back home in Miami, her awaiting loved ones realize she never got on the plane; Carla's friends and family recount the search to find her.

When 22-year-old Molly Jane Matheson doesn't show up for work, her mother, Tracy, drives to her Fort Worth, Texas, apartment to check on her; Tracy's grim discovery uncovers a string of related crimes that inspire Molly's family to fight for change.

A defense attorney and a paralegal become friends as they work together in Los Angeles.

Another girl and a secret come between two unlikely best friends, leading to a gruesome murder.

A hidden attraction turns to jealousy setting off a chain reaction of anger and revenge between two friends.

Lula and Linda are best friends and perfect neighbors but one of them will do anything to make her dreams come true.

After being bombarded by requests for money, a lottery winner seeks the help of his best friend to manage his money.

The stories of seven suspects featured in the first season of "I Killed My BFF.".

A hidden attraction turns to jealousy setting off a chain reaction of anger and revenge between two friends.

Lula and Linda are best friends and perfect neighbors but one of them will do anything to make her dreams come true.

After being bombarded by requests for money, a lottery winner seeks the help of his best friend to manage his money.

The stories of seven suspects featured in the first season of "I Killed My BFF.".

A defense attorney and a paralegal become friends as they work together in Los Angeles.

Another girl and a secret come between two unlikely best friends, leading to a gruesome murder.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

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Wounded Warrior Project is changing the way our nation cares for veterans and helping them thrive for a lifetime. Join Trace Adkins and Dan Nevins to learn about the journeys of four injured veterans and how no warrior is left behind.

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A woman fights back when attacked in her home; A family survives shark infested waters; a restaurant manager is left for dead.

Kidnapped and marched through the Philippine jungle; impaled in the neck by a branch; attacked by a knife-wielding intruder.

A store manager and his staff are shot by two killers; a young man has both his arms torn off in an accident; a young girl is kidnapped by a serial killer.

A young woman and her friend are shot execution style; two strangers are caught in a deadly train collision; a young girl escapes her abductors only to be assaulted my another man.

The K-9 Unit assists officers Robb and Bethany in capturing a fleeing suspect; Fire Rescue's Rush and Rutledge try to convince a man with heart problems to visit the hospital; a driver is missing after a car careens off a bridge.

Mardi Gras proves hectic for the responders; a man impales his hand on a fence, while another is stabbed in the face; the search for armed robbers leads to a high-speed chase.

Police officer Justin joins the SWAT team in a raid; the first responders treat an accident victim with amnesia and a woman who fell off a roof; Arkady bonds with a man who attempted suicide.

A woman stands to lose her arm following a bloody barroom brawl; a first responder is attacked while he attempts to provide aid at the scene of a car accident; a teenage bike thief receives some tough love.

New partners Arkady and Tom search for a victim who vanished in a river; a motorcyclist suffers serious injuries in an accident; a pedicab driver hurts his leg; a drug dealer hides out in a dangerous neighborhood.

Suspected drug dealers are hunted by the police; a violent schizophrenic threatens a group of partygoers.

Mark and Austin encounter a man with multiple stab wounds who refuses treatment; Jerry and Pierre's car chase evolves into a foot race when the armed suspect they are pursuing ditches his vehicle.

A chaotic evening finds Tampa first responders treating seizure and overdose patients; suspected armed robbers lead the ROC Squad Task Force in a high-speed chase.

EMTs deal with strange calls on the night of a full moon; two fleet-footed police officers maintain their perfect record in running down suspects; a fire chief faces his fear of rats.

The men and women who serve New Orleans reflect on the risks they take; armed intruders throw a small party into chaos; a good Samaritan gets injured while trying to break up a bar fight.

Chaos erupts at a high-school football game when shots are fired and a teenager is wounded; Mayville and Stokes investigate multiple bomb threats in the neighborhood of Ybor City; the ROC Squad chases a teen on a joyride with his parents' car.

Police officers Victor and Lejon join a SWAT team operation hunting a homicide suspect; the fire department tries to save a man who fell into the Mississippi River.

EMTs deal with strange calls on the night of a full moon; two fleet-footed police officers maintain their perfect record in running down suspects; a fire chief faces his fear of rats.

The men and women who serve New Orleans reflect on the risks they take; armed intruders throw a small party into chaos; a good Samaritan gets injured while trying to break up a bar fight.

Chaos erupts at a high-school football game when shots are fired and a teenager is wounded; Mayville and Stokes investigate multiple bomb threats in the neighborhood of Ybor City; the ROC Squad chases a teen on a joyride with his parents' car.

Police officers Victor and Lejon join a SWAT team operation hunting a homicide suspect; the fire department tries to save a man who fell into the Mississippi River.

Mark and Austin encounter a man with multiple stab wounds who refuses treatment; Jerry and Pierre's car chase evolves into a foot race when the armed suspect they are pursuing ditches his vehicle.

A chaotic evening finds Tampa first responders treating seizure and overdose patients; suspected armed robbers lead the ROC Squad Task Force in a high-speed chase.

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Dr. Ho explains how passive motion exercise is helping people worldwide with muscle pain, stiff & achy joints, and poor circulation.

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Detectives in Great Falls, Mont., investigate the grisly stabbing death of a former corrections officer; the killer reveals his thoughts behind the crime.

Levi King kills two Missouri residents in 2005, then travels to the Texas Panhandle to continue his murderous ways.

Investigators have no witnesses or evidence in a murder case until a career criminal in California makes a sudden confession that turns out to be less than truthful.

Maksim Gelman embarks upon a 28-hour killing spree through New York City in February 2011, leaving four people dead and others injured.

Detectives hunt for person who shot a young man in Alamogordo, N.M, and left his body on a mountain trail; the killer recalls his crime and shares a shocking revelation about his past.

A "push-button killer" who served time for stabbing a woman unleashes his hidden rage on a new girlfriend.

A drifter embarks on a spree of violent murders stretching from Maryland to Florida before he is finally apprehended in 1994.

An acquaintance of Carolina Panthers wide receiver Rae Carruth is hired to murder the football player's pregnant girlfriend in November 1999.

A Missouri man kills two people at a friend's home, then continues the bloodshed when authorities come looking for him.

Jennifer Asbenson recounts her fight to stay alive and escape the clutches of 32-year-old Andrew Urdiales, her would-be killer who kidnapped her in September 1992 when she 17.

In November 1988, 27-year-old Enietra Margette is walking to a party in South Los Angeles, when a neatly dressed man offers her a ride; soon after she gets into the car, the driver, Lonnie Franklin, shoots the passenger point-blank in the chest.

In 1992, 19-year-old Fabienne Witherspoon tries to help a man who was down on his luck when he attacked her in her own home; she wages a physical and psychological war against the man who tries to kill her and helps police apprehend Tommy Lynn Sells.

In September 1975, 14-year-old David McVicker is abducted while hitchhiking home from a friend's house in Garden Grove, Calif.; his assailant, William Bonin, has an appetite for assaulting young men and boys.

In 1989, 21-year-old Lyle and 18-year-old Erik Menendez walk into their parents' den and kill them; Erik shares details of the events of the week leading up to the murders and the motive behind the crime.

The trial takes a shocking turn when the defense claims Erik and Lyle Menendez killed their parents after years of sexual abuse; Erik gives his account of growing up in a "house of horrors.".

Erik recalls his mother's decline in the years leading up to the murders and looks on in agony as his brother Lyle testifies, vividly describing the abuse at the hands of their father.

The first trial ends in a surprise verdict; Erik discusses the preparation for his second trial, his unlikely connection with O.J. Simpson, and why he alone speaks for both the brothers as a second jury weighs a sentence of life in prison or death.

The verdict arrives; Erik and his brother, Lyle, are sent to separate prisons; Erik marries and begins to mount an appeal.

The trial takes a shocking turn when the defense claims Erik and Lyle Menendez killed their parents after years of sexual abuse; Erik gives his account of growing up in a "house of horrors.".

Erik recalls his mother's decline in the years leading up to the murders and looks on in agony as his brother Lyle testifies, vividly describing the abuse at the hands of their father.

The first trial ends in a surprise verdict; Erik discusses the preparation for his second trial, his unlikely connection with O.J. Simpson, and why he alone speaks for both the brothers as a second jury weighs a sentence of life in prison or death.

The verdict arrives; Erik and his brother, Lyle, are sent to separate prisons; Erik marries and begins to mount an appeal.

In 1992, 19-year-old Fabienne Witherspoon tries to help a man who was down on his luck when he attacked her in her own home; she wages a physical and psychological war against the man who tries to kill her and helps police apprehend Tommy Lynn Sells.

In September 1975, 14-year-old David McVicker is abducted while hitchhiking home from a friend's house in Garden Grove, Calif.; his assailant, William Bonin, has an appetite for assaulting young men and boys.

In 1989, 21-year-old Lyle and 18-year-old Erik Menendez walk into their parents' den and kill them; Erik shares details of the events of the week leading up to the murders and the motive behind the crime.

DraftKings Sportsbook, a top-rated sportsbook app!

Paid programming.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

DraftKings Sportsbook, a top-rated sportsbook app!

Paid programming.

Dr. Ho explains how passive motion exercise is helping people worldwide with muscle pain, stiff & achy joints, and poor circulation.

The rise and fall of Albert "Alpo" Martinez, dubbed the "Mayor of Harlem.".

With a taste of success and the lure of easy money, Thelma started transporting cocaine and heroin between Los Angeles and Philadelphia.

Christopher Coke used his criminal wealth and prosperity to win the hearts of his community and influence their political affiliations.

A pair of powerboat racers who allegedly moved more illegal narcotics than just about anyone in the history of the U.S. War on Drugs.

A ruthless gang called "Murder, Inc." carried out mob hits during the 1930s; Mob leaders formed The Syndicate, and as their enforcement arm, members of Murder, Inc. killed an estimated 1,000 people from coast to coast.

Frank Nitti joined Al Capone's criminal empire in 1920, rising quickly in the organization; in 1933, Frank caught his big break when Capone went to prison for tax evasion, and Nitti took over his criminal enterprise.

As leader of Murder, Inc., Albert Anastasia became one of the most vicious and feared mob bosses of the twentieth century.

Carmine Persico stands as one of most enduring Godfathers in mafia history.

John Gotti starts out as the leader of a group of young thugs in his South Bronx neighborhood and works his way up to a leadership position in the Gambino crime family.

Tony Spilotro made his name in Chicago's most powerful organized crime family and was given control of the gang's casino interests in Las Vegas.

Virginia Hill, Arlyne Brickman and Karen Hill are mob ladies with looks that could kill and the connections to take out anyone in their way.

Philadelphia mob boss Nicky Scarfo's paranoia, volatility and treachery ultimately lead to his demise.

While the Boston underworld was in chaos in the 1970s, Whitey Bulger schemed and killed his way through the ranks to become the most famous gangster in Boston history as well as the the subject of the longest manhunt in U.S. history.

In 1980s New York, two opposing factions of the American Mafia split the Gambino crime family down the middle; the old school and the new school struggle against one another; one murderous capo emerges as the Boss of Bosses.

While the Boston underworld was in chaos in the 1970s, Whitey Bulger schemed and killed his way through the ranks to become the most famous gangster in Boston history as well as the the subject of the longest manhunt in U.S. history.

In 1980s New York, two opposing factions of the American Mafia split the Gambino crime family down the middle; the old school and the new school struggle against one another; one murderous capo emerges as the Boss of Bosses.

Virginia Hill, Arlyne Brickman and Karen Hill are mob ladies with looks that could kill and the connections to take out anyone in their way.

Philadelphia mob boss Nicky Scarfo's paranoia, volatility and treachery ultimately lead to his demise.

Paid programming.

DraftKings Sportsbook, a top-rated sportsbook app!

Paid programming.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

DraftKings Sportsbook, a top-rated sportsbook app!

A man is taken hostage by Marxist rebels; two girls are abducted while walking home from school.

An 11-year is left orphaned and to drown on a sinking yacht; a worker is buried alive when an earthquake strikes; a truck driver's cab is invaded by armed men.

A hitchhiker turns on the two girls who pick him up; three men are stranded on an island for 13 days; two people are kidnapped at gunpoint by a hitchhiker.

The crew of a ferry abandons the boat and its passengers when the vessel begins to sink; a woman is trapped with an attacker for days; a man is attacked by his neighbor.

Phase 2 of Sheriff Jamey Noel's experimental program begins as the new participants enter the general population of the Clark County Jail.

Three new participants enter the program, while the earlier arrivals fight for acceptance in the pods; one of the participants is forced into a physical confrontation.

Jail life takes a physical toll on Monalisa; Sheri watches out for Mackenzie; Ashleigh faces the aftermath of a difficult first night; Ryan's cellmate has a violent confrontation with another inmate; Quintin attempts to call his daughter.

Hazing, drug use and violence envelop Clark County Jail; two participants consider dropping out of the program.

Chaos ensues in the Clark County Jail when two pod bosses threaten the safety of three of the participants.

In a city of eight million, landlord Bruce Blackwood disappears without a trace in March 2006. Though there is no body, the NYPD is sure this is a homicide and they, along with Bruce's brother Ed, spend the next nine years searching for answers and a killer.

The body of Lori Nesson is found in a ditch in 1974, but the search for her killer finally begins when the cause of death is changed to homicide 40 years later.

When 13-year-old Jennifer Bastian is abducted and murdered in August 1986, residents of Tacoma, Wash., panic; convinced a predator is on the loose, police embark on a 32-year inquiry to catch the killer.

A special cold-case unit needs a small town's help to solve the 22-year-old murder of a Michigan teenager whose body was found in the woods.

Police learn the key witness in the stabbing death of a beloved aunt was an imposter; a return to the crime scene reveals a clue hidden in plain sight.

In 1972, the body of Jody Loomis is found in the woods; thirty-four years later, the killer's DNA is recovered from Jody's old clothing but it isn't matched until 2018 when genetic genealogy helps point to one suspect.

The bodies of five people abducted from a restaurant in 1983 are found in an oil field; the main suspect is long believed to be a well-connected local man, until evidence reveals the true killers had been hiding in plain sight for decades.

A special cold-case unit needs a small town's help to solve the 22-year-old murder of a Michigan teenager whose body was found in the woods.

Police learn the key witness in the stabbing death of a beloved aunt was an imposter; a return to the crime scene reveals a clue hidden in plain sight.

In 1972, the body of Jody Loomis is found in the woods; thirty-four years later, the killer's DNA is recovered from Jody's old clothing but it isn't matched until 2018 when genetic genealogy helps point to one suspect.

The bodies of five people abducted from a restaurant in 1983 are found in an oil field; the main suspect is long believed to be a well-connected local man, until evidence reveals the true killers had been hiding in plain sight for decades.

The body of Lori Nesson is found in a ditch in 1974, but the search for her killer finally begins when the cause of death is changed to homicide 40 years later.

When 13-year-old Jennifer Bastian is abducted and murdered in August 1986, residents of Tacoma, Wash., panic; convinced a predator is on the loose, police embark on a 32-year inquiry to catch the killer.

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Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

A woman plays dead to escape her abductor; an endurance athlete falls 60 feet in a remote canyon; a couple risk their lives to protect their children.

A soldier tries to kill another soldier; a hunter in the mountains; killer still in the house.

A pregnant woman is attacked by a woman who wants her baby; a couple must cling to the rafters of their home during Hurricane Ike; a woman fends off an attacker.

Two gunmen abduct and assault a 16-year-old girl; a deer hunter drags himself up a dry creek bed after falling out of a tree and breaking both legs; a college student becomes a gunman's human shield.

A previously deported felon is back in the States, and the team is on the lookout in Brooklyn.

A fugitive hides out in the bustle and chaos of Chinatown.

The Task Force tries to apprehend a level 3 sex offender, wanted for questioning in the assault of a 7-year-old before he harms another child.

A fugitive slashed her friend's face with a box cutter.

A robbery suspect escapes from the interrogation room; Detective Peppers believes that the key to finding the fugitive is to locate his girlfriend.

Senior Parole Officer Vinny Senzamici and Officer Jesus Demung pursue a case involving a woman convicted of promoting child prostitution.

Deputy U.S. Marshal Michelle Mendez searches for two friends from the South Bronx who have been on a crime spree that seems to be progressively more violent.

The team tracks a fugitive through the coastal towns and rural mountainsides of Puerto Rico.

Thirty handguns are stolen from a gun store, through the roof.

A ranking member of the Bloods street gang flees from a New Jersey hospital with a gunshot wound that may have been self-inflicted.

When 31-year-old real estate appraiser Mike Williams mysteriously vanishes while duck hunting in the Florida swamps in December of 2000, authorities suspect he accidentally drowned.