Donald James Denninger, a 25-year-old man from Largo, Florida, was last seen on October 29, 1990. At the time of his disappearance, he was living in a residence on 125th Avenue North with his girlfriend, who was the last person to see him. Denninger had been living a transient lifestyle and was known to be struggling with depression and suicidal thoughts at the time of his disappearance.
His out-of-state family reported him missing after police attempted to locate him in relation to a pending court case and were unable to do so.
Despite investigations, no significant leads have emerged, and Denninger has not been heard from since. He was wearing a white t-shirt and blue jeans when last seen. Authorities, including the Pinellas County Sheriff's Office, continue to seek information from the public to help resolve his case, which remains unsolved after more than three decades.
Denninger's case has been classified as endangered missing, and while few details are available, it remains active. His family continues to hope for answers regarding his fate.Last Seen: Oct 29, 1990
