Calhoun County Sheriff's Office cruisers. (Photo courtesy of the Calhoun County Sheriff's Office). PENNFIELD TOWNSHIP, MI (WTVB) – A suspect in an attempted sexual assault in Pennfield Township is scheduled to be arraigned on Wednesday afternoon in Calhoun County. The Calhoun County Sheriff’s Department says Deputies responded to reports of the attempted against a 33-year-old female at around 8:00 p.m. on Tuesday night in the 100 block of Hopkins Street. They say the alleged victim was assaulted as she was unlocking the door to her apartment and forced inside. The suspect is identified as a 22-year-old male who lives nearby. He was reported to have fled in a vehicle but deputies found him nearby and arrested him.