Montana authorities are searching for Michael Paul Brown, a suspect accused of fatally shooting four people at the Owl Bar in Anaconda on Friday.
Brown, described as armed and extremely dangerous, is a local resident and Army veteran with a history of mental health issues.
Officials believe he may still be in the area and are urging the public to stay alert.
A $7,500 reward is being offered for information leading to his capture.
The victims include a bartender and three patrons, all from Anaconda, NBC News has reported.
A large-scale manhunt involving air and ground units is ongoing.
Written by B.C. Begley
