10 Eye-Opening Zodiac Killer Books Every True Crime Obsessive Needs to Read

Can these true crime authors crack the notorious unsolved case?

Israel Keyes: The Vile and 'Meticulous' American Serial Killer Who Stumped the FBI

The FBI described Keyes as one of the most meticulous serial killers in American history.

Weepy Voiced Killer: The Serial Murder Spree of Paul Michael Stephani

The weeping killer called the police to tearfully apologize for his crimes...but that didn't stop him from striking again and again.

13 Gripping True Crime Books for Fans of Lost Girls

Cases like the Long Island Serial Killer, from the unsolved to the corrupt.

Mind of a Monster: Gary Ridgway, the Green River Killer Who Murdered At Least 49 People

This serial killer was convicted of 49 murders, though he confessed to at least 71.

A Chilling Look at Ted Bundy and the World’s Most Savage Killers

Peer into the minds of murderers in this fascinating true crime read.

Survivors Speak Out in Amazon’s New True Crime Docuseries Ted Bundy: Falling for a Killer

Elizabeth Kendall and the women impacted by Ted Bundy’s heinous crimes take back control of the narrative.

Samuel Little: The Most Prolific Serial Killer in United States History

He's confessed to a staggering 93 murders thus far—and the FBI believes all his confessions are credible.

WATCH: A Woman’s Disappearance Leads to a Chilling Discovery in the New Trailer for Netflix's Lost Girls

Amy Ryan plays a mother fighting for answers in the upcoming Netflix movie based on the bestselling true crime book.

32 Most Horrifying Serial Killer Books

Get ready to see the darkest side of humanity.

UPDATE: Investigators Release New Evidence in the Chilling, Years-Long Cold Case of the Long Island Serial Killer

The search for one victim led to the discovery of countless others... and to the ice-cold trail of an unknown killer.

Sean Vincent Gillis: The "Pure Evil" Killer Who Mutilated His Victims

Did the Louisiana serial killer ever truly regret brutally murdering eight women?

Donald Henry Gaskins: The "Pee Wee" Killer

Always mocked for his size, Gaskins was intent on getting the last laugh.

How H. H. Holmes Became America's Most Prolific Serial Killer

Up to 200 victims may have died at his 1890's Chicago "Murder Castle."

The Brutal Case of BTK Serial Killer Dennis Rader

Bind, Torture, Kill: the mantra that haunted Kansas.

Inside John Wayne Gacy Jr.'s Real Life Murder House

Enter the basement of America's Killer Clown, one of the most notorious serial killers in history.