Tara Calico disappeared in Belen, New Mexico on September 20, 1988. A year later, two Polaroids of a tied-up woman were discovered in Florida — was it her?

Born in Plympton, Massachusetts in 1760, Deborah Sampson became a hero of the American Revolution after posing as a man to join the Continental Army.

In the late 1970s, serial killer Richard Chase murdered at least six people in Sacramento, California — and drank the blood of his victims.

Known for both her beauty and her personal demons, Edie Sedgwick shot to fame as an actress with Andy Warhol's "Superstars" before dying at 28 in 1971.

As Jasmine Richardson's relationship with her boyfriend Jeremey Steinke grew, so did their heinous plan to massacre her family.

When no one in the United States would train her, Bessie Coleman enrolled in a prestigious flight school in France — and became a fearless stunt pilot known across the world.

Operation Mockingbird was an alleged CIA project that recruited journalists to write fake stories promoting government ideas while dispelling communist ones.

Abigail Williams was one of the first people "afflicted" during the Salem Witch Trials and one of the first to accuse others of witchcraft. Then she vanished.

Joyce Carol Vincent was a 38-year-old woman in London with a family and friends. So why did it take over two years for people to realize she had died?

In 1980s California, Dorothea Puente's house was a den of theft and murder as this terrifying landlady killed at least nine of her unsuspecting tenants.

Wladyslaw Szpilman was a Jewish pianist living in Warsaw, Poland during World War II. He didn't know that his musical abilities would save his own life.