Audacity of Host

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

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

Xu Qi’an, a recent police academy graduate, awakens in a strange world filled with Confucians, Taoists, Buddhists, demons, and warlocks. Facing imminent exile to a remote frontier town, he seizes the chance to change his fate by joining a powerful organization of guardians.

Working for nearly three decades with the Charlotte (N.C.) Police Department, Detective Gary McFadden has developed unorthodox methods that have helped him solve more than 700 homicide cases. He has a 90-percent success rate with the investigations he pursues. "I Am Homicide" shows how Detective McFadden uses his street smarts to work the neighborhood networks and gather critical information for leads, at times risking his life by trusting the streets he calls home.

Technology has become the new frontier in solving homicides, illustrating the surprising ways that cell phone data, smart watches, fitness trackers, GPS devices, geolocation coordinates, doorbell and traffic cameras, gaming devices, surveillance video, internet searches, apps, and social media messages can be the critical clues in murder investigations.

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.

Baskoniako Historia Bat

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.

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.

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.

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.

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.

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.

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.

"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.

When it comes to murder, no detective starts their search at the beginning of the crime. Rather, a murder investigation always begins with the body, after the deed is done. It is up to the police to piece together the story, moving backwards in time until they arrive at the root of the crime. In REDRUM, viewers follow the backwards tale of murder from false motives and mistaken witnesses to conversations taken completely out of context, until the truth finally comes out at the very end.

Girl meets guy; girl falls for guy; guy turns out to have a dark and deadly secret. You know the drill. As women tell their real-life "I Dated An Axe Murderer" stories, police, psychologists and dating experts help unravel the mystery and explain how these relationships went tragically wrong.

What would we be without mucus? Can we live on water? How much does life weigh? Finding out the answers is the aim of ARTE's new science show. In a nod to Douglas Adams's "Hitchhiker's Guide to the Galaxy", where the figure 42 is the ultimate answer to all questions, 42 tries to provide the answers.

Investigating a murder is hard enough. But when detectives realize the killer knows how to stage a crime scene to throw them off, the job gets even more difficult. They’re hunting down criminals who are sworn to protect and serve -- killers with a badge.