Overview

• The Aug. 1 shooting at The Owl Bar killed four people and triggered an urgent search for the gunman.
• Suspect Michael Paul Brown, 45, remains at large and is considered armed and extremely dangerous.
• Authorities describe Brown as wearing a tie-dyed shirt, blue jeans and an orange bandana.
• Local, state and federal teams, including the FBI and ATF, have deployed helicopters and ground units across rugged terrain west of Anaconda.
• A SWAT team cleared Brown’s residence and investigators have not yet determined a motive for the attack.