Obsessed

Disturbing cases of individuals who murder their own best friends and examination of the different factors that drove them to commit this heinous crime.

These chilling stories of murder hit terrifyingly close to home -- each a real-life tale about the last thing anyone wants to find in their basement, a dead body. Every episode will make one think twice before ever stepping foot in the basement again.

Whether it's a cheating ex, a double-crossing co-worker, or the best friend who stabbed you in the back, it's human instinct to want to get even. Though most people don't act on this impulse, there are those who are consumed with getting even. For them, what starts as a nagging bitterness evolves into obsession and results in murder. This true crime documentary series profiles those stories of revenge, told through gripping interviews with the family members, community members, and law enforcement who experienced the events firsthand.

Oceanographer Jacques-Yves Cousteau and the Calypso set sail to research far-off cultures and species of aquatic life in the second installment of the explorer's nature series 'Cousteau's Rediscover the World'.

A series of reports chosen by "Dateline" correspondents that answers the question they most often get asked — what their most memorable story is and why.

La cure

When a 20-year-old attempts to win a fighter jet in a Pepsi sweepstakes, he sets the stage for a David versus Goliath court battle for the history books.

Evil casts a shadow. That shadow spreads outward for years, even decades, after a crime. It consumes everyone in its path, pulling them into darkness. Can they find the light? Evil Lives Here: Shadows of Death explores the endless reach of evil, a reach that extends long after the act of evil itself. This original series highlights the struggle to survive as innocent people find themselves caught in the wake of death and evil.

Planning a crime often takes a lot of work and some deviously clever thinking. This series profiles women who use twisted ingenuity to come up with elaborate schemes that result in what they think are perfect crimes. No matter the motive -- whether it's power, control or money -- the women stop at nothing to get what they want.

A docu-reality show following teens with psychological problems. They give us a glimpse into their daily lives through a video diary shot on their own cameras. Then they share their reality with the other teens during group therapy.

In the City of Angels, everyone is striving for the unattainable high life, and some are willing to kill for it. Encompassing everything from beach communities like Venice and Malibu to the wealth of Beverly Hills and hip enclaves like Thai Town and Highland Park, Real Murders of Los Angeles exposes the dark underbelly of the city's glamorous façade. Follow the stories of those whose lust for fame and fortune led them to commit salacious, sinful, and scandalous murders.

A documentary series that charts the Haitian-American experience of Motown Maurice, a future cultural icon, featuring interviews from his past and present.

Home is supposed to be where the heart is, but family dynamics sometimes turn deadly and those who should be trusted the most turn out to be cold-blooded killers. Experience the twists and turns of the investigation, the arrest and the quest for justice.

There are consequences when BFFs - short for best friends forever - turn into frenemies. Episodes showcase true stories of intense friendships - and, in some cases, more than that - taking a bad turn that results in the most tragic ending possible for at least one person involved in the relationship. The show serves as a reminder to viewers that not even the best of friends keep that status forever.

Roo Powell is a woman on a mission to expose the dangers of and prevent online child sex abuse; with the help of her nonprofit team SOSA (Safe from Online Sex Abuse), she transforms into underage girls to engage with child predators and protect the most vulnerable.

Having faced a lifelong struggle trying to help her hoarder mum, Jasmine Harman sets out to help other families struggling with this condition.

The key to solving the toughest homicides lies somewhere in the final hours of a victim's life. In each one-hour episode, determined investigators must piece together events during this critical window to reconstruct the timeline, unlock the motive, and ultimately close in on the killer.

蝸居宅急變

Go between the lines with the authors who have written the definitive accounts of infamous crimes. Adapted from the critically acclaimed true crime bestseller's, each author tell their infamous stories on-camera. Each story is told only from the author's perspective.

Meet Marry Murder explores several US homicide cases of spouses insidiously killed by their partners. Each story is told by the family, friends, and colleagues who best knew them, and the investigators committed to finding out the truth of twisted lies.