
By Lisa Enos. MCP Correspondent. LUDINGTON — The Michigan State Police troopers who shot and arrested murder suspect Eric Knysz testified Thursday afternoon in 51st Circuit Court. Knysz, 20, of Irons is suspected of killing MSP Trooper Paul Butterfield. Day two testimony of the first degree murder trial of Eric Knysz, accused of killing Michigan State Police Trooper Paul Butterfield…