Matthew Brennecke, 50, the Dousman man charged last year in a fatal Oconomowoc hit-and-run, was arrested on a new drug possession complaint earlier this month while still out on cash bond. The latest arrest unfolded after police contacted Brennecke in a Waukesha parking lot, and court filings show he now faces additional charges that could complicate the already high-stakes homicide-related case.
Background on the 2025 hit-and-run
The underlying case tracks back to a July 14, 2025 crash near Allen Road and Orchard Circle. Investigators say a Volvo struck 87-year-old Allan “Al” Eighmy as he rode a tractor after mowing a church lawn. Brennecke was arrested and charged in that case, and a judge set his bond at $100,000 cash, according to TMJ4.
Arrest in Waukesha parking lot
Waukesha officers made contact with Brennecke on July 3 in the parking lot of a Wendy’s, where a police K-9 alerted to the suspect vehicle, court papers say. Officers reported finding a loaded crack pipe between the driver’s seat and the middle bench seat, along with white residue suspected to be cocaine in and under the center console. The substance field-tested as crack cocaine, and prosecutors charged Brennecke with possessing cocaine, possessing drug paraphernalia and felony bail jumping, per The Freeman.
He was ordered held on $50,000 cash bond. The complaint also notes that a June 29 noncompliance report led to a $3,000 forfeiture of his cash bail. If he posts bail, the court has ordered that he must undergo drug testing by a monitoring service and must not possess drugs or paraphernalia…