Helen & Scott

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.

The author Amanda Romare has lived with obsessive-compulsive disorder (OCD) her entire life. Now she’s trying to get her problems under control and is undergoing cognitive behavioral therapy (CBT) with Erik Andersson, one of Sweden’s leading experts on the subject. At the same time, she seeks support from like-minded individuals and meets both ordinary and well-known people with similar issues.

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

The Hoarder Next Door is a British documentary series about compulsive hoarding. Produced by Twenty Twenty and shown on Channel 4 it features psychotherapist Stelios Kiosses helping extreme hoarders. The show is narrated by Olivia Colman.

As America expands westward, intrepid explorers and rugged mountain men risk their lives to blaze new trails into the wild frontier.

This extension of the long-running true-crime series 'Snapped' shifts the focus to couples whose passion drives them to commit terrible criminal acts. Using re-creations and gripping firsthand accounts, each episode takes a deep dive into a case, telling the story of the couple's romance, how the relationship evolved from love to manipulation, and what ultimately drove the couple to commit the crime.

Cellmate Secrets revisits some of the most infamous stories of headline-grabbing criminals. Actress Angie Harmon narrates the series, which reveals new insights and information as former friends, guards, cellmates and lovers give first-hand accounts of their time with the famed felons and defendants.

Most relationships have secrets, but what if the lies are huge – will the relationship be destroyed forever? Each episode of this hourlong series tells two stories, based on actual events, in which lies lead to consequences for the people involved. Family secrets and personal betrayal are often at the center of the situations that lead to explosive confrontations and, eventually, attempts at making amends. Dramatic re-creations bring the stories to life.

The tragic story of Polish model Agnieszka Kotlarska, whose life was cut short by an obsessive fan.

Southern Fried Homicide probes the juiciest stories from down in the Bible Belt. Classic true crime is served up against a backdrop of Southern hospitality, etiquette and Christian values. Good ol' morals give way to cold-blooded murder in these grim tales of love gone wrong, business deals turned sour, families divided, and more.

Caitlyn Jenner's first public appearance since her transition included making an impassioned, heartfelt speech at the ESPY Awards about the need for understanding transgender issues and "accepting people for who they are." For her part, Caitlyn -- formerly known as Bruce Jenner -- eagerly welcomes the responsibility to educate people. Follow Caitlyn Jenner's life as a transgender woman, telling her intimate story as she seeks out her "new normal," while offering a better understanding of many of life's challenges. Most of all, Caitlyn looks forward to living for the first time as the person she feels she was born to be. The docu-series also explores what her transition means for the people closest to her, including her children and stepchildren, and how those relationships are affected.

Each episode of Hoarders is a fascinating look inside the lives of two different people whose inability to part with their belongings is so out of control that they are on the verge of a personal crisis.

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.

"The Perfect Murder" brings viewers some of the most diabolical, perplexing murder cases to land on detectives’ desks – the kind of cases that make or break careers and provide fodder for Hollywood mystery movies. These ingenious killers are every detective’s worst nightmare. Whether by planting false evidence, or writing anonymous letters to police, these murderers will stop at nothing to stay one step ahead and get away with the perfect murder. Detectives hit dead end after dead end, and wrong suspects are discarded. But one new clue can lead to another and the cold case suddenly gets hot. The truth is that it is the perfect murder -- until it's not.

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.

This true-crime series details the fascination with Christina Boyer. Boyer became a household name for her telekinesis as a teenager and the alleged murder of her own infant daughter in Boyer’s early 20s, a crime she maintains she did not commit. The series details the unlikely band of amateur sleuths obsessed with setting her free.