|Location||High Ridge, Missouri|
|Disappeared||March 2, 1985|
|Missing for||36 years|
Peggy Lynn Alt was a teenager who disappeared in 1985 in Missouri. Initially believed to be a runaway, foul play is now suspected in her disappearance.
Peggy was last seen packing her belongings and leaving her home, two days before her eighteenth birthday. Foul play is now suspected in her case, but nobody has been charged in her disappearance.