An Illinois man is due in court today(Tuesday) for allegedly killing his girlfriend while they were in Door County to attend a wedding. Thirty five year old Brian Cooper called 911 on Sunday & confessed to killing 21 year old Alisha Bromfield. Both were from Plainfield, Illinois. Charges are still pending. Cooper reportedly told deputies where Bromfield could be found & deputies discovered the body in a room at the Sand Bay Beach Resort in the Town of Nasewaupee. He was arrested subsequently in Sister Bay. Sheriff Terry Vogel said Bromfield & Cooper had a “casual” relationship. Unconfirmed reports indicate that the victim was pregnant at the time of her death.