When a new book suggested a theory for who killed Elizabeth Short, more sources emerged – including the son of a cop who worked the case
Their cases were supposedly open-and-shut – but could these famous killers be wrongfully imprisoned?
After a six-week hunt in Tampa, police have arrested Howell Emanuel Donaldson III in connection with four shooting deaths
How a cartoonist, an indie filmmaker and two kids-show stars came together to make a poignant film about a serial killer's coming-of-age
From pocket knives to watches to a series of board games, some of the strangest items that were exhibited this weekend at the California installation
New book offers illustrated history, from first known Neanderthal murder to legendary con men to the origins of Eastern organized crime
Ted Kaczynski was a madman who killed and maimed innocent people – but did some of his worries for the future come true?
She went missing on Christmas Eve 2002 – and when her husband started acting suspicious, the entire country started paying attention
Minnesota family finds peace after Jimmy Haakenson, who disappeared at 16 in 1976, is identified as victim of notorious serial killer
Cosmo DiNardo and Sean Kratz, both 20, have been accused of killing young men who disappeared earlier this month in Buck's County
Cosmo DiNardo has confessed to killing four men who disappeared last week, according to his lawyer
Holmes' descendant Jeff Mudgett using History channel series to try to prove notorious Chicago murderer was also Jack the Ripper
With El Chapo behind bars, an even more dangerous drug lord has emerged. On the hunt for Mexico's next-generation narco
Prosecutors say Danielle Dana Layman posted classified ad for innocuous "10 day gig overseas," which was actually plan to poison her ex
Two 14-year-olds remained in house following killing, watched 'Twilight' and "showed no remorse," according to English authorities