A nurse is gunned down in her home and detectives believe they have a clear suspect; as they delve deeper into the investigation new information leads them down a completely different path.

Nineteen-year-old college student Brook Baker is killed in her off-campus home; two years later, 21-year-old Erika Norman goes missing from the same university, leading detectives to examine their last days and discover the killer.

A DNA breakthrough in a murder case that is more than a decade old leads two determined detectives to surprising suspects.

Hosts Joe Scarborough, Mika Brzezinski and Willie Geist present in-depth and informed discussions that help drive the day's current political conversation.

Alicia Menendez, Michael Steele, and Symone Sanders-Townsend set the agenda for Saturday, Sunday, and the week ahead; fresh analysis of the week's biggest events and a rotating crew of major D.C. newsmakers.

Alicia Menendez, Michael Steele, and Symone Sanders-Townsend set the agenda for Saturday, Sunday, and the week ahead; fresh analysis of the week's biggest events and a rotating crew of major D.C. newsmakers.

Current events and sharp analysis of top trending topics.

Current events and sharp analysis of top trending topics.

Jen Psaki tackles the biggest issues of the week and features one-on-one interviews with newsmakers.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

Highlights from MSNBC prime time.

Rev. Al Sharpton highlights important political stories and issues that require a national platform.

Examining the high stakes surrounding key issues affecting communities across America, cutting through the political noise with compelling, in-depth and unique viewpoints.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

Highlights from MSNBC prime time.

Jen Psaki tackles the biggest issues of the week and features one-on-one interviews with newsmakers.

The latest breaking news, reporting and coverage of the day's important stories.

Examining the high stakes surrounding key issues affecting communities across America, cutting through the political noise with compelling, in-depth and unique viewpoints.

Investigators follow the trail of a seemingly untraceable late-night call as they search for the killer of businesswoman Peggy Nadell.

When a woman is found murdered in her bed, her husband and her son accuse each other of being the killer.

After losing a hotly contested custody battle, a woman disappears with her 11-month-old daughter; the child's father searches four continents for almost two decades before reaching an emotional conclusion.

Interviews with public figures and those making news, setting the political agenda and spotlighting the impact Washington decision-making has on Americans.

Inside-the-beltway political news and critical stories shaping the national conversation.

Hosts Joe Scarborough, Mika Brzezinski and Willie Geist present in-depth and informed discussions that help drive the day's current political conversation.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

In-depth reporting on political developments and dynamic discussions with leading newsmakers, with insights into complex issues.

Former lawyer Ari Melber leads this show that provides in-depth analysis of the day's biggest news stories; political and news stories, with interviews and original reporting from around the nation.

One-on-one conversations with politicians and newsmakers, and the breaking issues of the day.

Jen Psaki tackles the biggest issues of the week and features one-on-one interviews with newsmakers.

Through her unique approach to storytelling, Rachel Maddow provides in-depth reporting to illuminate the current state of political affairs and reveals the importance of transparency and accountability from our leaders.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

Through her unique approach to storytelling, Rachel Maddow provides in-depth reporting to illuminate the current state of political affairs and reveals the importance of transparency and accountability from our leaders.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

Jen Psaki tackles the biggest issues of the week and features one-on-one interviews with newsmakers.

Through her unique approach to storytelling, Rachel Maddow provides in-depth reporting to illuminate the current state of political affairs and reveals the importance of transparency and accountability from our leaders.

Inside-the-beltway political news and critical stories shaping the national conversation.

Hosts Joe Scarborough, Mika Brzezinski and Willie Geist present in-depth and informed discussions that help drive the day's current political conversation.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

In-depth reporting on political developments and dynamic discussions with leading newsmakers, with insights into complex issues.

Former lawyer Ari Melber leads this show that provides in-depth analysis of the day's biggest news stories; political and news stories, with interviews and original reporting from around the nation.

One-on-one conversations with politicians and newsmakers, and the breaking issues of the day.

Chris Hayes reports on some of the biggest news and political stories of the day with a commitment to in-depth reporting that seeks to hold the nation's leaders accountable for their actions.

Alex Wagner brings years of reporting experience and insight to covering the news of the day, politics and the cultural trends shaping the United States and American lives, giving viewers a better understanding of the rapidly changing world.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

Alex Wagner brings years of reporting experience and insight to covering the news of the day, politics and the cultural trends shaping the United States and American lives, giving viewers a better understanding of the rapidly changing world.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

Chris Hayes reports on some of the biggest news and political stories of the day with a commitment to in-depth reporting that seeks to hold the nation's leaders accountable for their actions.

Alex Wagner brings years of reporting experience and insight to covering the news of the day, politics and the cultural trends shaping the United States and American lives, giving viewers a better understanding of the rapidly changing world.

Inside-the-beltway political news and critical stories shaping the national conversation.

Hosts Joe Scarborough, Mika Brzezinski and Willie Geist present in-depth and informed discussions that help drive the day's current political conversation.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

In-depth reporting on political developments and dynamic discussions with leading newsmakers, with insights into complex issues.

Former lawyer Ari Melber leads this show that provides in-depth analysis of the day's biggest news stories; political and news stories, with interviews and original reporting from around the nation.

One-on-one conversations with politicians and newsmakers, and the breaking issues of the day.

Chris Hayes reports on some of the biggest news and political stories of the day with a commitment to in-depth reporting that seeks to hold the nation's leaders accountable for their actions.

Alex Wagner brings years of reporting experience and insight to covering the news of the day, politics and the cultural trends shaping the United States and American lives, giving viewers a better understanding of the rapidly changing world.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

Alex Wagner brings years of reporting experience and insight to covering the news of the day, politics and the cultural trends shaping the United States and American lives, giving viewers a better understanding of the rapidly changing world.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

Chris Hayes reports on some of the biggest news and political stories of the day with a commitment to in-depth reporting that seeks to hold the nation's leaders accountable for their actions.

Alex Wagner brings years of reporting experience and insight to covering the news of the day, politics and the cultural trends shaping the United States and American lives, giving viewers a better understanding of the rapidly changing world.

Inside-the-beltway political news and critical stories shaping the national conversation.

Hosts Joe Scarborough, Mika Brzezinski and Willie Geist present in-depth and informed discussions that help drive the day's current political conversation.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

In-depth reporting on political developments and dynamic discussions with leading newsmakers, with insights into complex issues.

Former lawyer Ari Melber leads this show that provides in-depth analysis of the day's biggest news stories; political and news stories, with interviews and original reporting from around the nation.

One-on-one conversations with politicians and newsmakers, and the breaking issues of the day.

Chris Hayes reports on some of the biggest news and political stories of the day with a commitment to in-depth reporting that seeks to hold the nation's leaders accountable for their actions.

Alex Wagner brings years of reporting experience and insight to covering the news of the day, politics and the cultural trends shaping the United States and American lives, giving viewers a better understanding of the rapidly changing world.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

Alex Wagner brings years of reporting experience and insight to covering the news of the day, politics and the cultural trends shaping the United States and American lives, giving viewers a better understanding of the rapidly changing world.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

Chris Hayes reports on some of the biggest news and political stories of the day with a commitment to in-depth reporting that seeks to hold the nation's leaders accountable for their actions.

Alex Wagner brings years of reporting experience and insight to covering the news of the day, politics and the cultural trends shaping the United States and American lives, giving viewers a better understanding of the rapidly changing world.

Inside-the-beltway political news and critical stories shaping the national conversation.

Hosts Joe Scarborough, Mika Brzezinski and Willie Geist present in-depth and informed discussions that help drive the day's current political conversation.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

In-depth reporting on political developments and dynamic discussions with leading newsmakers, with insights into complex issues.

Former lawyer Ari Melber leads this show that provides in-depth analysis of the day's biggest news stories; political and news stories, with interviews and original reporting from around the nation.

One-on-one conversations with politicians and newsmakers, and the breaking issues of the day.

Chris Hayes reports on some of the biggest news and political stories of the day with a commitment to in-depth reporting that seeks to hold the nation's leaders accountable for their actions.

Alex Wagner brings years of reporting experience and insight to covering the news of the day, politics and the cultural trends shaping the United States and American lives, giving viewers a better understanding of the rapidly changing world.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

Alex Wagner brings years of reporting experience and insight to covering the news of the day, politics and the cultural trends shaping the United States and American lives, giving viewers a better understanding of the rapidly changing world.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

When a pathologist is found murdered in his home, the investigation reveals simmering jealousies and a love triangle.

When a pathologist is found murdered in his home, the investigation reveals simmering jealousies and a love triangle.

A 33-year-old tutor is accused of having an illicit relationship with a teenage student after a racy photograph is discovered on a cell phone; later, her stunning defense will lead to an emotional courtroom battle.

Hosts Joe Scarborough, Mika Brzezinski and Willie Geist present in-depth and informed discussions that help drive the day's current political conversation.

Alicia Menendez, Michael Steele, and Symone Sanders-Townsend set the agenda for Saturday, Sunday, and the week ahead; fresh analysis of the week's biggest events and a rotating crew of major D.C. newsmakers.

Alicia Menendez, Michael Steele, and Symone Sanders-Townsend set the agenda for Saturday, Sunday, and the week ahead; fresh analysis of the week's biggest events and a rotating crew of major D.C. newsmakers.

Current events and sharp analysis of top trending topics.

Current events and sharp analysis of top trending topics.

Katie Phang explores the intersections of law, politics, culture and more, and features interviews with the nation's top newsmakers.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

Highlights from "The Beat With Ari Melber.".

Rev. Al Sharpton highlights important political stories and issues that require a national platform.

Examining the high stakes surrounding key issues affecting communities across America, cutting through the political noise with compelling, in-depth and unique viewpoints.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

Crafted from an archive of more than 1,000 hours of footage filmed from 2002 to present day, the series tells the story of a journalist, and a man convicted of murder who begin as strangers but become like brothers.

Crafted from an archive of more than 1,000 hours of footage filmed from 2002 to present day, the series tells the story of a journalist, and a man convicted of murder who begin as strangers but become like brothers.

An early look at the stories that will drive tomorrow's conversation.

Examining the high stakes surrounding key issues affecting communities across America, cutting through the political noise with compelling, in-depth and unique viewpoints.

When a woman is found dead in her SUV, the investigation into her murder reveals a tangled web of sex and lies; interviews about the prominent family's dark secrets.

When a woman is found dead in her SUV, the investigation into her murder reveals a tangled web of sex and lies; interviews about the prominent family's dark secrets.

Karen Smith is murdered while her 5-year-old son is brutally stabbed and a neighbor says she knows who did it; she later recants her testimony and fights for the suspect's defense.

When a small-town Alabama resident is murdered in his home, rumors involving a local pastor begin to swirl as the truth ends up turning the community upside down.

A family visit over the holidays ends in tragedy when a man is found dead on the kitchen floor; authorities are faced with twists and turns in the case as new details emerge.

Hosts Joe Scarborough, Mika Brzezinski and Willie Geist present in-depth and informed discussions that help drive the day's current political conversation.

Alicia Menendez, Michael Steele, and Symone Sanders-Townsend set the agenda for Saturday, Sunday, and the week ahead; fresh analysis of the week's biggest events and a rotating crew of major D.C. newsmakers.

Alicia Menendez, Michael Steele, and Symone Sanders-Townsend set the agenda for Saturday, Sunday, and the week ahead; fresh analysis of the week's biggest events and a rotating crew of major D.C. newsmakers.

Current events and sharp analysis of top trending topics.

Current events and sharp analysis of top trending topics.

Jen Psaki tackles the biggest issues of the week and features one-on-one interviews with newsmakers.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

Highlights from MSNBC prime time.

Rev. Al Sharpton highlights important political stories and issues that require a national platform.

Examining the high stakes surrounding key issues affecting communities across America, cutting through the political noise with compelling, in-depth and unique viewpoints.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

Crafted from an archive of more than 1,000 hours of footage filmed from 2002 to present day, the series tells the story of a journalist, and a man convicted of murder who begin as strangers but become like brothers.

Crafted from an archive of more than 1,000 hours of footage filmed from 2002 to present day, the series tells the story of a journalist, and a man convicted of murder who begin as strangers but become like brothers.

The latest breaking news, reporting and coverage of the day's important stories.

Examining the high stakes surrounding key issues affecting communities across America, cutting through the political noise with compelling, in-depth and unique viewpoints.

Josh Mankiewicz reports on the mysterious disappearance of a Colorado rancher, whose friends think something isn't right and spend years fighting for answers.

Hollywood actress Aasha Davis' sister, Lesley, goes missing after a fight with her husband never to be heard from again.

Ohio investigators search for answers in the decades-old murder of 10-year-old Amy Mihaljevic; a retracing of Amy's steps from the day of the kidnapping.

Interviews with public figures and those making news, setting the political agenda and spotlighting the impact Washington decision-making has on Americans.

Inside-the-beltway political news and critical stories shaping the national conversation.

Hosts Joe Scarborough, Mika Brzezinski and Willie Geist present in-depth and informed discussions that help drive the day's current political conversation.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

In-depth reporting on political developments and dynamic discussions with leading newsmakers, with insights into complex issues.

Former lawyer Ari Melber leads this show that provides in-depth analysis of the day's biggest news stories; political and news stories, with interviews and original reporting from around the nation.

One-on-one conversations with politicians and newsmakers, and the breaking issues of the day.

Jen Psaki tackles the biggest issues of the week and features one-on-one interviews with newsmakers.

Through her unique approach to storytelling, Rachel Maddow provides in-depth reporting to illuminate the current state of political affairs and reveals the importance of transparency and accountability from our leaders.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

Through her unique approach to storytelling, Rachel Maddow provides in-depth reporting to illuminate the current state of political affairs and reveals the importance of transparency and accountability from our leaders.

In his signature style, Lawrence O'Donnell goes into depth on the latest news developments and offers his take on the political stories driving the national conversation.

An early look at the stories that will drive tomorrow's conversation.

Jen Psaki tackles the biggest issues of the week and features one-on-one interviews with newsmakers.

Through her unique approach to storytelling, Rachel Maddow provides in-depth reporting to illuminate the current state of political affairs and reveals the importance of transparency and accountability from our leaders.

Inside-the-beltway political news and critical stories shaping the national conversation.

Hosts Joe Scarborough, Mika Brzezinski and Willie Geist present in-depth and informed discussions that help drive the day's current political conversation.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and coverage of the day's important stories.

The latest breaking news, reporting and live coverage of the day's important stories; hosted by trusted NBC News journalists, these dynamic hours offer discussions with newsmakers, journalists and politicians.

In-depth reporting on political developments and dynamic discussions with leading newsmakers, with insights into complex issues.

Former lawyer Ari Melber leads this show that provides in-depth analysis of the day's biggest news stories; political and news stories, with interviews and original reporting from around the nation.