July 1, 2024

WATERLOO, Iowa - On June 30, 2024, at approximately 8:22 a.m., officers with the Waterloo Police Department were dispatched to the 200 block of Manson Street in Waterloo on the report of a black male wearing all green clothing riding a bicycle with a gun. Officers arrived in the area and located Kelvin Lee Plain Jr., 35, riding a bike nearby in Sullivan Park and matching the description given. 

Plain fled from officers on the bike and then on foot through Sullivan Park. Officers fired a taser at Plain as he was running, knocking Plain to the ground. Plain then fired a handgun at both officers, striking one officer who was still inside his vehicle, and another who was shot while on foot. Both officers returned fire, killing Plain.

The incident was captured by Waterloo PD vehicle dash-cam.

Both officers have been hospitalized and remain in stable condition. One officer is expected to be released from the hospital today.

This incident remains under investigation by the Iowa Division of Criminal Investigation. No additional information will be released at this time. Upon completion, the results of the investigation will be forwarded to the Blackhawk County Attorney’s Office and the Iowa Attorney General’s Office for review. 


The Iowa Department of Public Safety (DPS) is the largest law enforcement agency in the state. It includes seven 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, Professional Development and Support Services Division, and Administrative Services Division. The Department of Public Safety is led by the Commissioner who is appointed by the Governor.

Iowa Department of Public Safety

215 E. 7th St.

Des Moines, IA 50319