ISP Master Trooper Promoted to Detective

Det. Mike Gruett
Det. Mike Gruett

An Indiana State Police trooper who calls Plymouth home has been promoted to detective.

Master Trooper Mike Gruett is assigned to the Bremen post and is a 30-year ISP veteran. He earned his assignment to Field Investigations through completion of written testing and a competitive interview process. Gruett will mainly investigate cases in Marshall County. Continue reading