DETROIT (AP) — The Michigan Court of Appeals has affirmed the conviction and sentence of a former state trooper who shot a Taser at a Detroit teenager, an act that led to his death.

Mark Bessner tried to chip away at his involuntary manslaughter conviction, arguing that a Wayne County trial judge excluded evidence that would have helped his defense, among other issues.

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Bessner also argued that it was wrong for the judge to allow jurors to hear about a separate incident in which he was quoted as saying he wanted to “tase” a rider on an all-terrain vehicle.

The appeals court wasn’t swayed in a 3-0 opinion Thursday.

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Bessner and a partner were patrolling a Detroit neighborhood in 2017 when 15-year-old Damon Grimes drove an ATV near their car. Bessner said he fired a Taser from his car because he believed Grimes had a gun. The teen, however, didn’t have a weapon.

Grimes crashed the ATV into a pickup truck and died.

Bessner, 47, will be eligible for parole in 2024 after five years in prison.

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