On Monday, the U.S. Marshal Service posted on X that a reward of up to $10,000 would be offered for any information leading to Brown. The agency has also set up a tipline at: 1-8-77-WANTED-2.

The manhunt for the suspect who opened fire and killed four people at a Montana bar has stretched into its fourth day on Monday.

Police are looking for Michael Paul Brown, 45, who's wanted for allegedly shooting four people in The Owl Bar in the small town of Anaconda, Montana.