America's deadliest serial killers

What data on 3,000 murderers and 10,000 victims tells us about serial killers - Vox

Murderers and serial killers - The Sun

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

Serial Killers vs. Mass Murderers - Alcatraz East

13 Famous Teenage Serial Killers And Murderers

15 Child Murderers That Rank Among History's Most Horrifying Killers

Forensic File Books: Serial Killers: The Biographies of the Most Notorious Murderers (inside the minds and methods of psychopaths, sociopaths and

Murderers (film) - Wikipedia

Boxing's Black Murderers Row Fighters

Nature or Nurture? The Identical Twins Who Turned Out Murderers, by The Maverick Files