Joshua Guimond: Missing Since November 9th, 2002

20-year-old Joshua Guimond, a promising student at St. John's University in Minnesota, was last seen leaving a party at a friend's apartment on the night of Saturday, November 9, 2002. The walk back to his dorm shouldn't have taken more than three minutes, but Josh never made it home.

Johnny Gosch: Missing Since September 5th, 1982

On the morning of September 5, 1982, 12-year-old Johnny Gosch, a paperboy from West Des Moines, Iowa, disappeared without a trace. To this day, his case remains unsolved, and no clues have been found to indicate what happened to him. Let's take a look at the circumstances surrounding Johnny’s disappearance and explore why it remains one of America’s most mysterious unsolved cases.

Vicki Sundgaard: Missing Since April 19th, 1987

Sundgaard was last seen at a party on Cedar Street in Alexandria, Minnesota during the early morning hours of April 19, 1987, Easter Sunday. She has never been heard from again. Her vehicle was found parked a few blocks away the following morning. Sundgaard's purse and asthma inhaler were inside it. Her loved ones stated her asthma had been bothering her in the days leading up to her disappearance and they did not believe she would have left her inhaler behind. She also left behind her two young sons, which is uncharacteristic of her.

Morgan Chauntel Nick: Missing Since June 9, 1995

Nick attended a Little League Baseball game with her mother in Alma, Arkansas on June 9, 1995. She joined her friends to catch lightning bugs near the baseball field later in the evening. Nick was last seen at approximately 10:45 p.m. as she stood near her mother's Nissan Stanza in the parking lot. She was emptying sand from her shoes at the time. Nick has never been heard from again. Witnesses told authorities that they observed an unidentified Caucasian male watching Nick play on the field earlier in the night. The man apparently approached a group of children playing with Nick and asked them a question; investigators have not publicly released any additional details about the conversation.

Anthony G. Urciuoli Jr: Missing Since January 24, 2001

Urciuoli was employed as a server at the Dutchess Diner in Poughkeepsie, New York in 2001. He was last seen by his parents at his family's residence near the Galleria Mall on January 24, 2001. Urciuoli received a page from an unknown person and told his parents he was going to play pool with a friend at approximately 11:30 p.m. He has never been heard from again. Authorities were unable to trace the page Urciuoli received the night he vanished.