On his first solo assignment,[2] Casper was shot and killed[1] in Fond du Lac attempting to apprehend a bank robbery and murder suspect on March 24, 2015.

[citation needed] He studied at Lakeshore Technical College in Cleveland, Wisconsin, where he graduated in May 2014 with a degree in criminal justice.

Anthony Burrell (the latter became Superintendent of the Wisconsin State Patrol from 2019 to 2022) to their location when Snyder pulled into a Pick 'n Save supermarket parking lot and stopped.

Snyder discharged nine 5.7mm shots from an FN Five-seven pistol at Casper, who was hit by three rounds in the neck, chest and left hand.

[citation needed] The day following the shooting, Governor Scott Walker issued a statement saying, "Trooper Trevor Casper was killed while bravely serving his community and doing his duty to keep our citizens safe.