The world is full of mysteries, some crimes leave such a lasting impact that they continue to baffle detectives and haunt the public.
California was terrorized by a serial killer leaving cryptic messages, haunting the state during the 1960s.
Mysterious murderer stalked and killed women in London's Whitechapel district in 1888, sparking unsolved mysteries.
D.B. Cooper vanished with cash after hijacking a plane in 1971, leaving behind a captivating mystery.
Unidentified man found dead on an Australian beach with the cryptic clue "Tamám Shud" ("finished").
Legend whispers of buried pirate treasure on Oak Island, Nova Scotia, sparking debates about its existence.