Season 2

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

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

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 Black.

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.

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

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

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.

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.

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.

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.

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.

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.