Update: Subject Identified in Coralville Officer-Involved Shooting

Richard Rahn
Special Agent in Charge

September 4, 2020

CORALVILLE, Iowa - The individual involved in the September 3, 2020, officer-involved shooting incident has been identified as Joseph George Maser, 47, of Coralville, Iowa. Maser is currently being treated at University of Iowa Hospital and Clinics, and his medical status will not be released at this time.  As previously mentioned, the Coralville police officer’s name will not be released at this time. The Iowa Division of Criminal Investigation, in conjunction with the Johnson County Attorney Office continues to conduct an independent investigation of the incident.   

Previous Coralville Police Department Press Release - September 3, 2020


The Iowa Department of Public Safety (DPS) is the largest law enforcement agency in the state. It includes six divisions and several bureaus, all working together with local, state and federal government agencies and the private sector, to keep Iowa a safe place by following our core values: leadership, integrity, professionalism, courtesy, service and protection. Divisions within the Iowa DPS: Iowa Division of Criminal Investigation, Iowa Division of Narcotics Enforcement, Iowa State Patrol, Iowa State Fire Marshal Division, Iowa Division of Intelligence and Fusion Center, and Administrative Services Division. The Department of Public Safety is led by the Commissioner who is appointed by the Governor.