Gregory M. Mish was 22 when he disappeared from Niagara Falls, New York. He is described as 5 feet 8 inches and 216 pounds, with brown hair and brown eyes. His vehicle was found abandoned in Niagara Falls State Park on September 19, 2012, which prompted searches by the New York State Park Police and the New York State Police.

Searches of the park, a rugged and fast-water area, produced no significant leads and the case was entered in national missing person databases.

If anyone saw Gregory in or near Niagara Falls State Park around mid-September 2012 or has information about his movements that day, please share what is known.