In an immersive 360-degree narrative, Ken Burns and Lynn Novick tell the epic story of the Vietnam War as it has never before been told on film. The Vietnam War features testimony from nearly 100 witnesses.

For every sadistic psychopath...there were signs. Charm. Narcissism. Lack of empathy. Impulsiveness. Manipulation. Deception. These traits and others are the telltale Signs of a Psychopath. This harrowing half-hour archive series revisits some of the most brutal killers in modern history, reviewing news footage and the words of the killers themselves to see which terrifying traits each killer exhibited. What are the signs...of evil?

How well do you know your housemates? Evil Lives Here tells the heart-stopping tales of people who have shared a home, with a killer. In each episode, loved ones reveal how they came to discover their significant other's evil side.

Murder Loves Company examines how murder can happen anywhere – even among a close group of people. We meet a group of people in a unique world, whether it be a group of coworkers, or neighbors in a tight-knit community. Someone in this group will be murdered and someone in this group is the killer – the identity of each is a mystery and always a surprise.

This true-crime series hosted by Lt. Joe Kenda, one of America's toughest detectives, features incredibly disturbing and mind-blowing cases from across the country. Lt. Kenda expertly guides us through the complex twists and turns of these bizarre crimes.

Notorious killer whale Tilikum is responsible for the deaths of three individuals, including a top killer whale trainer. Blackfish shows the sometimes devastating consequences of keeping such intelligent and sentient creatures in captivity.

In this riveting true-crime docuseries, loved ones, experts and jurors revisit Laci Peterson's disappearance and the ensuing murder investigation.

It was the crime that gripped the nation - a bright, beaming, 6-year old beauty queen is mysteriously murdered in her very own home the day after Christmas in 1996. Investigators navigated false leads, a heavily compromised crime scene and a maze of finger-pointing. But now, 20 years later, Investigation Discovery (ID) in an unprecedented partnership with Weinstein Television, Jupiter Entertainment and American Media, Inc. (AMI) - parent company to RadarOnline and The National ENQUIRER, who have closely followed every lead and every step of the case - sheds new light on the still-unsolved case of who killed JonBenét Ramsey. In a three-night television event beginning Monday, September 12 at 10/9c, ID rips this cold case open with JonBenét: An American Murder Mystery chronologically reexamining the evidence to challenge long-held beliefs at the center of this enduring mystery.

On May 1, 2001, 24-year-old Chandra Levy left her Washington, D.C., apartment and vanished without a trace. Police feverishly scoured the city for clues about the missing Capitol Hill intern's whereabouts, but a powerful man hampered their search – Chandra's alleged lover, U.S. Congressman Gary Condit. Now, TLC and Investigation Discovery (ID) delve into the sex, lies and scandal behind one of our nation's most salacious crimes with the premiere of Chandra Levy: An American Murder Mystery. The latest installment of the hit American Murder Mystery franchise explores the seedy underbelly of the D.C. elite that was exposed during the harrowing search for justice.

Sex, lies and a tale too twisted to be real surround the murder of Gregg Smart. Who Killed Him? And why? On May 1, 1990, 22-year-old teacher Pamela Smart finds her husband Gregg dead on the floor of their southern New Hampshire condo, leaving the town of Derry stunned. Scouring the region for clues, police shift their attention to Gregg's grieving widow, Pamela Smart, who has been making curious television appearances publicizing her plight. When investigators discover Pamela has been having a sordid affair with high school student, Billy Flynn, a complicated web of lies and deceit unravel, revealing one of the most scandalous crimes of the century. Now, leading true crime network Investigation Discovery (ID) delves into the case in Pamela Smart: An American Murder Mystery. From the tawdry affair, to teenage assassins, to the explosive nationally televised trial, this case transfixed the entire nation as Pamela Smart emerged as the original Black Widow.

Countdown to Murder is a documentary series that takes a close look at some of the country's most high-profile murder cases.

When tall, dark, and handsome turns jealous, controlling, and sneaky, Investigation Discovery's Handsome Devils exposes the secrets of real life lady-killers- men who will have you on top of the world one minute, and six feet under the next.

My Strange Criminal Addiction reveals what happens when bizarre compulsions spin out of control and push people into a life of crime. From a lewd subway commuter to a diaper-wearing man, or a urine drinker to a toe sucker, first-hand accounts of these true crime tales plunges viewers into a world where strange addictions took an illegal turn. Dr. Mike Dow, addiction specialist and expert in the fields of relationships, food, and behavior, explains how these unhealthy habits turned to uncontrollable addictions and helps viewers understand the triggers for these compulsive behaviors. With the perpetrators telling their own stories of how they plunged so deep into darkness, some appear on screen or disguised to conceal their identity while others speak to us from their jail cells.