On February 27th, 1970, 22-year-old Bill Sproat and his girlfriend, 20-year-old Mary Petry, were murdered in his apartment. The case is still unsolved.

23-year-old Karen Denise Wells vanished under mysterious circumstances on April 12th, 1994, while on a road trip to visit a friend. Her abandoned rental car was found the next day, with the doors open, an empty gas tank and a dead battery, but no sign of the missing woman anywhere.

On February 24th, 1978, five friends attended a basketball game and never returned home. Months later, four would be found dead under strange circumstances in the wilderness. The fate of the fifth is still unknown.

7-year-old Adele Wells vanished on November 21st, 1958. Her case remains unsolved.

Gene Hackman's cause of death revealed

On the morning of June 25th, 1986, Andrés Martínez lost control of his tanker truck and crashed in Spain's Somosierra mountain pass. He and his wife died on impact, but their son, 10-year-old Juan Pedro, was missing from the scene. Information would later suggest that he'd never actually been there.

The Martin family mysteriously vanished on December 7th, 1958. Months later the bodies of two of the children were recovered from the river, but neither the family's station wagon nor the other three family members who were present that day have ever been found.

Garrett Bardsley, 12, vanished while camping with his father, brothers, and other Boy Scouts on August 20th, 2004.

Garrett Bardsley, 12, vanished while camping with his father, brothers, and other Boy Scouts on August 20th, 2004.

23-year-old Karen Denise Wells vanished under mysterious circumstances on April 12th, 1994, while on a road trip to visit a friend. Her abandoned rental car was found the next day, with the doors open, an empty gas tank and a dead battery, but no sign of the missing woman anywhere.

On June 14th, 1969, 6-year-old Dennis Martin vanished while on a camping trip with his family in the Great Smoky Mountains.

On August 15th, 2002, Michael and Mary Short were found murdered in their home. The phone lines leading to their house had been cut and their daughter, 9-year-old Jennifer, was missing. She would be found dead in another state six weeks later. The case is still unsolved.

On the morning of June 25th, 1986, Andrés Martínez lost control of his tanker truck and crashed in Spain's Somosierra mountain pass. He and his wife died on impact, but their son, 10-year-old Juan Pedro, was missing from the scene. Information would later suggest that he'd never actually been there.

On the morning of June 25th, 1986, Andrés Martínez lost control of his tanker truck and crashed in Spain's Somosierra mountain pass. He and his wife died on impact, but their son, 10-year-old Juan Pedro, was missing from the scene. Information would later suggest that he'd never actually been there.

On June 14th, 1969, 6-year-old Dennis Martin vanished while on a camping trip with his family in the Great Smoky Mountains.

On June 14th, 1969, 6-year-old Dennis Martin vanished while on a camping trip with his family in the Great Smoky Mountains.

On October 24th, 1961, 4-year-old Lillian Risch returned home from a playdate to find a shocking scene. She went back to the neighbor's house to explain that, "Mommy's gone and the kitchen is covered with red paint." Joan Risch was never seen or heard from again.

Attorney David Glenn Lewis vanished from his house on January 31st, 1993. His wife and daughter came home to find uneaten sandwiches that he'd prepared and laundry in the washing machine. In a bizarre twist, David was killed in an apparent hit-and-run accident the following day--1,600 miles away.

Something for us to remember

War is hell

The Haunting Disappearance of Paige Renkoski

On the afternoon of May 24th, 1990, 30-year-old Paige Renkoski was seen along the side of a highway talking to an unidentified man. There was a minivan parked near her car. A few hours later, her vehicle was found running, with the headlights on, and her shoes and purse inside.

On the afternoon of May 24th, 1990, 30-year-old Paige Renkoski was seen along the side of a highway talking to an unidentified man. There was a minivan parked near her car. A few hours later, her vehicle was found running, with the headlights on, and her shoes and purse inside.

On February 24th, 1978, five friends attended a basketball game and never returned home. Months later, four would be found dead under strange circumstances in the wilderness. The fate of the fifth, as well as the reason the men went up to the mountain, is still unknown.

On February 27th, 1970, 22-year-old Bill Sproat and his girlfriend, 20-year-old Mary Petry, were murdered in his apartment. The case is still unsolved.

On April 29th, 1986, Joyce Walcott, 19, vanished while out dropping off job applications and was never seen or heard from again.

On April 29th, 1986, Joyce Walcott, 19, vanished while out dropping off job applications and was never seen or heard from again.