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.

With rumors of infidelity and an unhappy marriage, Marlene's husband Michael Warren emerges as the prime suspect, but with a solid alibi detectives can’t prove his involvement, and the case goes cold. Three decades later there's a shocking twist – Michael's alleged mistress Sheila Keen is arrested for Marlene’s murder accused of donning the clown disguise. In May 2023 Sheila pleaded guilty just before trial. Case closed? Or does this guilty plea raise as many questions as it answers?

Bizarre Murders reveals a true and surprisingly strange crime story. These are not serial murderers evading the FBI, but Fargo-like capers with shocking twists and unusual characters.

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.

Hosted by Vivica A. Fox, this true-crime series takes a unique look at the battle of wits between police and suspects in some of the most disturbing US and UK criminal cases in recent years.

It's amazing the things that you can inherit from your family gene pool: blue eyes, a beautiful smile, a winning personality. But what about your family's less desirable traits? A grandfather's talent for swindling, an aunt's knack for aggravated assault or even a father's flair for murder.... can you actually inherit evil from your family tree? Evil Kin begs this question as well as whether psychopathic behavior is pre-programmed. From siblings who conspire to kill their parents, to three brothers who grow up independently to become a serial killer, a rapist and a mercenary, Evil Kin follows true-crime mysteries surrounding bone-chilling cases that prove blood is always thicker than water.

Suicide Cults is a gripping exploration into the lives of former cult members. David Koresh devotees detail their years inside Mount Carmel and a Jim Jones follower recalls how she narrowly escaped death during the largest mass suicide in US history.

The reunion of old friends, first-person accounts, and rarely seen footage paint an extraordinary and deeply profound picture of what it was like to live through one of history's longest wars.

Teen Michelle Carter’s actions shocked a nation — but what really happened behind closed doors?

A chronicle of the twisted lives of some of the most frightening, diabolical characters in recent history. Each two-hour episode traces the heinous, criminal acts of these elusive miscreants and the eventual road to justice.

Following teams of detectives and specialists involved in murder investigations.

Follow the journeys of past competitors as they experience the heat of battle on their path to the 2022 Pokémon World Championships.

With unprecedented access and never-before-seen personal archival footage, the docuseries is a revealing portrait of three-time Olympic gold medalist and one of the greatest athletes in two separate sports, snowboarding and skateboarding, Shaun White. It is a story that includes childhood struggles with a congenital heart condition, the development of his unbeatable talent, sacrifices made by his unconventional but remarkably supportive parents, the move into pro-snowboarding at a young age, and of course, his exploits at the Olympics, where he holds the record for most gold medals by a snowboarder.

In the early 1990s, with homophobia and hate crimes on the rise as the AIDS crisis worsens, a serial killer preys upon gay men in New York City, infiltrating queer nightlife to find his victims.

Every episode of this true crime series recounts a shocking story of a crime committed as an act of revenge. From a worker humiliated by a colleague to a woman facing ruin when an ex-partner sells their home, the trigger events are different but the consequences are the same: being wronged leads to murder. Illustrated with evocative drama reconstruction, location filming and archive, each story is told through interviews with family and friends, insights from detectives who solved each case, and analysis from expert criminologists.

Investigators, family members and members of the judicial apparatus dissect step by step the most shocking crimes of recent years and their repercussions, placing emphasis on the human perspective and the rigorous reconstruction of the events. A suspenseful true crime television format that stands out for its captivating narrative and a visual proposal with cinematic features.

This docuseries sheds light on the killing of a German teenager in '78 through the accounts of his sister and the royal family involved in the case.

A playing card left at a murder scene connects a string of killings in this docuseries tracking a notorious serial killer who terrorized Spain in 2003

The series explores the psychological underpinnings of cult leaders, examining their personal histories, motivations, and transformation into charismatic figures with significant influence over their followers.