(LaPorte, IN) - A LaPorte County sheriff’s deputy has been promoted.  Andrew Hahn now holds the rank of sergeant. The 2001 Michigan City High School graduate began as a jail officer with the sheriff’s office in 2005. Hahn currently is a supervisor on the midnight shift and is one of the K-9 handlers. He filled the rank formerly held by Kevin Ulam who recently retired after 32 years with the sheriff’s office.