
Unsolved Mysteries
Computer artist claims to have determined who modeled for the Mona Lisa.

Computer artist claims to have determined who modeled for the Mona Lisa.

Gander; Peggie's brother; Cult of de Cloud and update; update: polio.

Noreen Renier and update; missing newborn; Gigi's amnesia and update; unknown dad and update.

Evidence contradicts surgeon's 1974 death as suicide.

Mysterious lights over the New York City area; the disappearance of 18-year-old Tammy Lyn Leppert.

Daughter seeks justice; baseball amnesia; casino bandit and update; Wickenburg massacre.

German Air Force officer, 36, seeks his genetic father; the 1986 murder of twin sisters.

Rainboy; motorcycle murder; hospital hoax and update; best friend's sister.

Miram's memory and update; ghost blimp; fugitive fireman and update; Russian roulette and update.

Mexico UFO; Slain Sammy; Missing Rainman.

Miram's memory and update; ghost blimp; fugitive fireman and update; Russian roulette and update.

The disappearance of the former Iron Butterfly bassist.

"Silent Witness," "Mary Celeste," "Hoochie Coochie" and "Sunshine Guys."

Falcon Lake UFO; inside Frontera; update: Loving's lost love; disappearing dad.

Oklahoma City rescuers; update: baby given away; Carolina cop killer and update; Vince Foster; crime novelist.

Oklahoma City rescuers; update: baby given away; Carolina cop killer and update; Vince Foster; crime novelist.

Image of Guadalupe; Stahl's paintings; update: lost generation; biker & the vet and update.

Viewer tip leads to burglary suspect; Chicago attorney's assassination.

Authorities seek convicted police killer and escapee David Gordon Smith.

Update: Roswell/Area 51; abductees.