WINONA LAKE — Covert surveillance and thorough investigative techniques conducted by NET 43 resulted in the arrests of Derek Krichbaum, 34; and Sara Rivera, 33, Warsaw, on Wednesday, July 31. The manhunt for Krichbaum was based upon an active Kosciusko County felony narcotics warrant. Officers found Krichbaum and Rivera hiding in a shed located within …read more.