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