TV-14
John Wayne Gacy murdered 33 males, most of whom he buried in the crawl space beneath his home.
Jack the Ripper is the name given to and unidentified serial killer that murdered in London in 1888.
Jeffrey Dahmer is arguably one of the most gruesome serial killers the world has ever seen.
Dennis Rader lives as a serial killer in the Wichita, Kan., area from the 1970s to the '90s.
Aileen Wuornos gained national attention after she was charged with murdering at least six men.
For three weeks in 2002, Lee Boyd Malvo and John Muhammad hunt random D.C. residents with a rifle.
Karla Homolka and her husband, Paul Bernardo, drugged, raped and murdered three teens.
Before he goes to trial, Danny Rolling unexpectedly pleads guilty to five disturbing murders.
Ruthless drug lord Pablo Escobar turns Columbia into the murder capital of the world.
David Berkowitz, aka the Son of Sam, kills six people in 1976 and brings New York City to its knees.
Police officer turned killer Laurie Bembenek is convicted of murdering her husband's ex-wife.
Known as the Boston Strangler, Albert DeSalvo's murder spree claims the lives of 13 women.
In 1966, mass murderer Richard Speck tortures, rapes and murders eight student nurses.
Al Qaeda founder Osama Bin Laden orchestrates an attack against the United States on Sept. 11, 2001.
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