Natrona County authorities announced Sunday evening that a 30-year-old man had escaped from a Casper re-entry center.

K2 Radio Casper reported that 30-year-old Patrick Vincent Duran failed to return to the re-entry center just before 3:00 p.m.

Duran was serving a sentence for aggravated assault and battery from Fremont County.

Duran is American Indian 6’1 and 165 lbs with black hair and brown eyes.

Anyone with information on his whereabouts should call the Natrona County Sheriff’s Office: 307-235-9282.