When a young woman became pen pals with one of the UK's most prolific serial killers, Dennis Nilsen, she never expected how ...

Peter Sutcliffe, the British serial killer known as the Yorkshire Ripper for a five-year murder spree during which he stabbed and bludgeoned at least 20 women and girls, killing 13 of them, has died ...

For months, amateur online investigators and true crime enthusiasts have made countless posts suggesting a serial killer is on the loose in New England. These stay-at-home Sherlock Holmeses have ...