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Police charge man with aggravated assault after throwing metal rod at officer

(Photo by Stephanie Lam / Cap City News)

CHEYENNE, Wyo. — A 60-year-old Cheyenne man is facing a felony charge of aggravated assault on a peace officer after police said he threw a metal rod at an officer.

Mark Romain Dunn is also charged with being under the influence of a controlled substance, a misdemeanor, in his March 15 arrest.

Cheyenne police in a booking sheet said an officer was dispatched at 12:46 a.m. to back up another officer at the North College Drive and Interstate 80 overpass. The first officer had responded to a report of a man in the road swinging a piece of metal and dancing in the street.

When the second officer responded, the first was holding Dunn at gunpoint on the bridge, the document states. Dunn was swinging the stick or piece of metal and not listening to the officer’s commands to drop it. More officers arrived, and Dunn continued to refuse to drop the object.

“A contact team was formed and as officers approached Dunn, he began advancing on Officer Tretter and me with the object still in hand,” Officer Ahearn’s booking sheet states. “Dunn was then struck by a 40mm less than lethal projectile and surrendered to officers.”

Ahearn reported that it was believed Dunn was under the influence of a stimulant based on his actions.

After Dunn was in custody, officers discovered the object Dunn had was a large machete.

Tretter reported he was driving toward Dunn and wasn’t far from him when Dunn threw a metal rod that was 4 to 5 feet long.

Dunn was taken to Cheyenne Regional Medical Center, where he was medically cleared for jail. He was then taken to the Laramie County Detention Center.