(Town of Oak Grove) A motorist was killed in a three-vehicle crash Monday afternoon in the Town of Oak Grove. One of the vehicles involved was a squad car operated by a Dodge County Sheriff’s deputy. The crash occurred at the intersection of County A and County W around 4:22pm. The sheriff’s office asked the Wisconsin State Patrol to investigate noting the conflict of interest with a deputy involved. According to the State Patrol, the crash involved a sedan, a tractor trailer and the squad car. Each vehicle was occupied by a lone driver. The initial investigation indicates that the car failed to yield at a stop sign and was struck by the northbound tractor trailer, pushing the sedan into the squad car that was waiting to turn left. The driver of the sedan was killed. The deputy and tractor trailer driver received minor injuries. Names are being withheld pending notification of family members.