UPDATE: MSP Trooper Dies from Gunshot to the Head, Names Release - Northern Michigan's News Leader

UPDATE: MSP Trooper Dies from Gunshot to the Head, Names Released

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UPDATE: September 10, 2:20 PM

Investigators have released the names of the suspects in the shooting of a State Trooper.

Investigators say the suspects are Eric and Sarah Knysz.

Stay with 9&10 News for the latest confirmed information. 

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September 10, 9:40 AM

The Michigan State Police has confirmed that Trooper Paul Butterfield of the Hart Post died Monday evening after being shot in the head while conducting a traffic stop.  

Troopers say around 6:20 p.m., Butterfield stopped a vehicle on Custer Road near Townline Road in Mason County, around 3 minutes later a passing driver called 9-1-1 to report finding Butterfield on the ground with a gunshot wound to the head. 

Butterfield was airlifted to Munson Hospital for emergency surgery, but died in the hospital.

Law enforcement later located the two suspects, a male and female, at a gas station/convenience store in Wellston in Manistee County around 8:25 p.m.  

Gunfire was exchanged between the suspects and officers. The male suspect was shot and transported to the hospital with a non-life threatening gunshot wound.

Trooper Butterfield joined the MSP in 1999 and was a veteran of the U.S. Army.

The investigation is still ongoing.