THIEF RIVER FALLS, MN (trfnews.i234.me) Investigator Blaize Zimmerman with the Pennington County Sheriff’s Department is in jail, pending formal charges. the head investigator with the Pennington County Sheriff’s Department is in jail today he’s being held on a domestic violence charge officials say Blais David Zimmerman was arrested in Thief River Falls in Pennington County… Continue reading Sheriff’s Department Investigator from Thief River Falls Incarcerated