Mixing present-day interviews with previously unheard recordings, this true-crime series examines serial killer David Berkowitz's mark on 1970s New York.

TWISTED takes an in-depth look at the world's most prolific serial killers through first-hand accounts and testaments of those closest to them, and attempts to answer the question: Was it nature or nurture?

The Son of Sam case grew into a lifelong obsession for journalist Maury Terry, who became convinced that the murders were linked to a Satanic cult.

Born To Kill is a British true crime television series, made by Twofour Productions. Each episode is an in-depth look at the childhood, and formative years of serial killers., in an attempt to find out whether the individuals were born killers, or created by the environments they found themselves in.

A documentary of the decline of America, composed of archival material and exclusive footage, carnage, madness, and mayhem with an unapologetic sincerity on the factual depiction of violence in the industrialized nation of the United States. Featuring a juxtaposition of detailed accounts of terrible acts, brutal behavior, and interviews from experts and convicted killers alike.

Encounter the Pearl Harbor attacks, the L.A. riots, the Son of Sam murders and Patty Hearst's kidnapping the way they unfolded on TVs and radios across America. We present these shocking events from the 20th century, not through traditional journalistic reportage, but in real-time, as they were covered by national and local news broadcasts. This footage, much of which has not been seen in decades, gives an intimacy and immediacy to stories we thought we knew but will now rediscover through a unique perspective.

This documentary about serial killers and FBI Behavioral Sciences profilers features interviews with Ed Kemper and Ted Bundy as well as crime victims and law enforcement officials. The film includes some dramatic recreations.

New York City, 1977 - It was a time when the city had fallen into decay, with too few jobs, money, police, schools, and social services. There was a city wide blackout with major looting, a serial killer on the loose, and the Bronx was burning. And yet out of the chaos emerged one of the most creative times any city has ever encountered.

A documentary covering various serial killers including BTK, Jeffrey Dahmer, John Wayne Gacy, Ted Bundy, Son of Sam and more.

The Son of Sam, David Berkowitz testimony of his involvement into the occult, his descent into cold-blooded murder, his arrest, and his surprising conversion to Christianity in his years in prison.

In this volume of Murderers, Mobsters, & Madmen, we look at the infamous and notorious mass murderers that plagued America in the 20th century and changed her forever. Featuring Ed Gein & John Wayne Gacy.

A shocking serial murder case terrorized New York 40 years ago. Surviving victims, families of the deceased, and the detectives who worked on the case recount their stories.

Images of moral panic, cult followings and the edges of madness from sex and death.

In "Inside Evil: Jeffrey Dahmer," Dateline NBC anchor Stone Phillips confronts Dahmer on-camera, in a prison interview about the victims he killed and cannibalized -- and the urges that drove him. In a rare interview with Dahmer's father, Phillips examines events in Dahmer's childhood that could have pushed him to murder. It's a compelling portrait of a killer and the demons deep down inside him. In "Inside Evil: Son Of Sam," NBC News investigates the infamous serial murder case that terrorized New York City in 1977: did killer David Berkowitz have help in his crime spree, and could other murderers still be at large? Here, in rare video, "Son of Sam" speaks for himself on camera - and makes startling charges about who may really be behind some the crimes.

David Berkowitz terrorized New York City by killing six people and wounding seven others in seemingly random shootings from July 1976 to July 1977. In his first major TV interview in a decade and his only interview about the 40th anniversary of his arrest, Berkowitz -- who is serving six consecutive life sentences -- speaks out to CBS News correspondent Maurice DuBois about what led him to kill, his life before he turned into a murderer, and what his life is like in prison today.