Moors murders - Wikipedia

Mass Murderers, Unlike Serial Killers, Are Hard to Profile

On The Scale Of Evil, Where Do Murderers Rate? : NPR

Serial Killers: Shocking, Gripping True Crime Stories of the Most Evil Murderers: Innes, Brian: 9781786488473: : Books

Spalding murders: Two teenagers who 'brutally executed' mother and daughter named, The Independent

Japan hangs 3 convicted murderers – Daily Breeze

Adults React To Shocking Interviews With Murderers

Inside the Minds of Mass Murderers: Why They Kill: Katherine Ramsland: Praeger

West Virginia's serial killers, and how they were caught

Watch Murderers and Their Mothers Season 1 Streaming Online

People Who Have Met Murderers Shared Their Story