Episode 1 | Son of Sam Part 1: The Duke of Death

From 1976 to 1977, David Berkowitz terrorized New York City - under his creepy self-given moniker: "the Son of Sam"; he is among the most infamous serial killers in American history.

Episode 2 | Son of Sam Part 2: I Am A Monster

In 1977, the city of New York was being stalked by a seemingly faceless serial killer known as, "Son of Sam"; after his final shooting took him to Brooklyn, a twist of fate and a little luck- led to his capture.

Episode 3 | BTK Part 1: Bind, Torture, Kill

He calls himself "B.T.K." which stands for Bind, Torture, Kill and for decades this bloodthirsty serial killer terrifies Wichita as he murders again.

Episode 4 | BTK Part 2: The Taunting

For years the BTK killer plays a cat and mouse game with law enforcement and the media taunting them as he seeks the attention he craves.

Episode 5 | The Night Stalker, Part 1: Summer of Terror

The summer of 1985 was one of the hottest Los Angeles had seen in a century. But terrified residents weren't sleeping with the windows open; a killer known as the "Night Stalker" was on the loose.

Episode 6 | The Night Stalker, Part 2: I Will Be Avenged

A tip from a teenage boy leads to the identity of the Night Stalker and twenty-four hours later a mob of angry citizens track him down and capture him.

Episode 7 | The Co-ed Killer Part 1: The Murder Capital of the World

Desperate for answers community members live in terror waiting for the man dubbed the Co-Ed Killer to strike again.

Episode 8 | The Co-ed Killer Part 2: Thinking Murder All Day Long

In April 1973, Edmund Kemper, 24, Murders six coeds in and around city of Santa Cruz, California, Shaking the community to its core.

Episode 9 | Robert Durst Part 1: World's Worst Fugitive

The story of the millionaire heir to a vast real estate fortune who has been linked to vast real estate fortune who has been linked to the deaths of his wife, his best friend, and his neighbor.

Episode 10 | Robert Durst Part 2: Nobody Tells the Whole Truth

Six weeks after jumping bail in Galveston, Texas, Robert Durst is caught on a store security camera in Pennsylvania shoplifting a sandwich and is quickly sent back to Galveston to stand trial for the murder of his neighbor, Morris...

Episode 11 | Dr. Death Part 1: A License to Kill

The two-part series finale tells the story of Dr Michael Swango - a high school valedictorian, distinguished Marine, and a cunning serial killer.

Episode 12 | Dr. Death Part 2: You're Next

Part two concludes as survivors, investigators and former colleagues detail Dr Michael Swango's murderous tirades against his helpless patients.