David Alden Chapman was 31 when he was last seen in East Hartford, Connecticut, on December 11, 2015. He is described as a white male about 5 feet 8 inches tall, 180 pounds, with dirty blond hair, blue eyes and a tattoo of the letter D on the inside of his left forearm. He was believed to be wearing a smoky gray winter coat when he disappeared.

All communication from his phone stopped after December 11, and family reported that he typically kept in regular contact and was dealing with mental health issues that left them especially concerned he might need medical attention. The East Hartford Police Department investigated and the case was entered in NamUs as MP32133. Searches extended beyond Connecticut to New England areas where he had family ties, including Randolph, Brunswick, Woolwich and Madawaska in Maine.

No confirmed trace of David has been publicly reported. If anyone saw David around December 11, 2015, or has information about his whereabouts, please share what is known with investigators handling the case.