The Green Lake County Sheriff’s Office and Wisconsin State Patrol are investigating a fatal one vehicle crash in Green Lake County that claimed the life of a 33 year old man. The crash happened Thursday afternoon on County Highway B east of state Highway 73 in the town of Green Lake. A passenger was flown by helicopter to Theda Clark Regional Medical Center in Neenah where he was pronounced dead. The driver and two other passengers were also taken to Ripon Medical Center.