Samuel Little (Part 1): The Most Prolific Serial Killer in the U.S. | Prime Crime | A&E
This is America's most prolific serial killer
90+ MURDERS | America's Most Prolific Serial Killer
Who was the Most Prolific Serial Killer of All Time?
The Most Prolific Serial Killer in American History - THE ANGEL OF DEATH
The Most Prolific Serial Killer In US History | True Crime: Unravelled | Channel 4
Is Donald Harvey the Most Prolific Serial Killer in America?
Little named most prolific US serial killer
BTK Killer: America's Most Notorious Serial Killer Chilling Story in 60 seconds! #shortsfeed
Luis Garavito: The Most Prolific Serial Killer in History
Serial Killer With More Victims Than Any Other Killer in American History
What You Didn’t Know About America's Most INFAMOUS Serial Killer
The Night Alaska's Most Prolific Serial Killer Was Caught
The Green River Killer’s 19-Year Reign of Terror
FBI: Inmate is most prolific serial killer in US history
Samuel Little: America’s Most Prolific Serial Killer
America's Most Evil Serial Killer - John Wayne Gacy
Most prolific U.S. serial killer dies at 80
Revealing the Startling Truth of America's Worst Serial Killer: Serial Killer Documentary
Samuel Little: The Most PROLIFIC SERIAL KILLER EVER!