Update: Kewaunee County Officer Involved Death Investigation

Aug 29 2017

MADISON, Wis. – The Wisconsin Department of Justice Division of Criminal Investigation (DCI), at the request of the Kewaunee County Sheriff’s Office, has been investigating an officer involved death (OID) that took place on the evening of August 21, 2017 in Kewaunee, Wisconsin.


Three Kewaunee County Sheriff’s deputies and one Kewaunee Police officer responded to a 911 call along County Road AB, south of State Highway 29. The responding law enforcement officers encountered a male suspect threatening a woman and nearby residents with a knife. The suspect’s confrontation with the deputies resulted in one of the deputies discharging his firearm, killing the suspect. An autopsy of the decedent, 22-year-old Tyler D. Whitmire, was conducted by the Fond du Lac County Medical Examiner’s Office on Tuesday, August 22, 2017.


The four law enforcement officers involved in this critical incident, who have been placed on paid administrative leave pending the outcome of the investigation, are being identified as:

  • Deputy Jamie A. Tlachac – Kewaunee County Sheriff’s Department; five years of service.
  • Sergeant Dustin E. Smidle – Kewaunee County Sheriff’s Department; 22 years of service.
  • Deputy Jordan D. Salentine – Kewaunee County Sheriff’s Department; three years of service.
  • Officer Brian D. Gale – Kewaunee City Police Department; four years of service.


The use of force by Deputy Jamie A. Tlachac resulted in Mr. Whitmire’s death.


The Wisconsin DOJ-led investigation of this incident has been a collaboration between DCI, the Wisconsin State Patrol, and the Wisconsin State Crime Laboratory. The Kewaunee County Sheriff’s Office has been fully cooperating with DCI during this investigation.


DCI is continuing to collect evidence and determine the facts of this incident and will turn over investigative reports to the Kewaunee County District Attorney when the investigation concludes.