Waterloo man killed in Grundy County officer-involved shooting
GRUNDY COUNTY — On Sunday at approximately 9:30 p.m., members of the Grundy County Sheriff’s Office, the Iowa State Patrol and several other local law enforcement agencies attempted to conduct a traffic stop on a vehicle driven by 47-year-old Waterloo resident Benjamin Sink. Sink was wanted on several charges related to a domestic relationship.
According to a press release from the Iowa Department of Criminal Investigation (DCI), Sink refused to stop, and a pursuit ensued. During the pursuit, Sink’s vehicle was disabled utilizing stop sticks, and Sink’s vehicle came to a stop on the side of the road. Sink exited his vehicle, produced a firearm, and fired at officers. Deputies with the Grundy County Sheriff’s Office and a Trooper with the Iowa State Patrol returned fire, striking Sink. Officers performed lifesaving measures on Sink at the scene. Sink was transported to Mercy One Hospital in Waterloo for treatment but later was pronounced deceased.
The officers involved were uninjured and placed on critical incident leave in accordance with their department policies. Agencies involved in the response to this incident included the Grundy County Sheriff’s Office, the Hardin County Sheriff’s Office, the Black Hawk County Sheriff’s Office, the Hudson Police Department, the Waterloo Police Department, the Cedar Falls Police Department, the Iowa State Patrol and the Iowa Division of Criminal Investigation (DCI).
At the request of the Grundy County Sheriff’s Office, the Iowa DCI is conducting the investigation into the shooting. Once the investigation is completed, the findings will be forwarded to the Black Hawk County Attorney’s Office and the Office of the Iowa Attorney General for review. Further details will be released at the time the review is released.




