Eric Knysz, the man who killed Michigan State Police Trooper Paul Butterfield has been declared clinically brain dead after hanging himself while in prison, according to WZZM-13.
Eric Knysz, the man convicted of killing Michigan State Police Trooper Paul K. Butterfield, is hospitalized in critical condition after attempting suicide in his Jackson prison cell, WZZM-13 reported Monday night.
The Michigan State Police has confirmed the death of a trooper from injuries in a shooting during a Mason County traffic stop Monday evening. The trooper, identified as Paul Butterfield of the Hart Post of the MSP, died during emergency surgery at Munson Hospital in Traverse City.