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UPDATE (Subject Located): Gold Alert Issued for 71-Year-Old Dover Man

UPDATE (July 12th, 2022): The Dover Police Department has cancelled the Gold Alert for Mark O’Brien. O’Brien was located safely and returned to his residence.

Incident/Complaint#:  50-22-20796

Date:  Wednesday, July 6th, 2022 at 4:15 p.m.

Location: 200 Block of Mifflin Road, Dover, DE

Officer Releasing Information:  Sgt. Mark Hoffman, Public Information Officer


The Dover Police Department is issuing a Gold Alert for a missing 71-year-old Dover man. Mark O’Brien was last seen leaving his residence at approximately 8:00 a.m. on Tuesday, July 5th, 2022. O’Brien is a white male, 6’2″ in height, approximately 265 pounds, and was last seen wearing all black clothing. O’Brien suffers from multiple conditions that may pose a risk to his health and safety if not properly monitored or treated.

If you have any information on O’Brien’s whereabouts, please call 302-736-7111.