Rex Heuermann Robert Card Manhunt Custody Crimes Suspicion of Causing Death Blue Alerts Mental Health Issues Criminal Investigations Guy Muldavin Notes Armed and Dangerous Robert R. Card II Arrests in Homicide Cases Person of Interest Detention Intoxication Jason Billingsley Interviews and cooperation Ambush Attacks Acid Burns Mass Shootings Photo of Person of Interest Manhunts Identification Pro-Palestinian Protest Participant Boyfriend James Lewis Androscoggin County Sheriff's Office Investigation Progress Duane "Keffe D" Davis as a Suspect Self-Surrender Gang Members Characteristics Attackers Search Efforts Andre Longmore Attempted Murder Charges Montgomery Riverfront Brawl Physical Description Detainment Arson Criminal Activity Military Background Description Wanted Criminals Second Degree Murder