Experts on mass shootings said it’s rare for the gunmen who carry out such crimes to elude the authorities for so long.

A manhunt is intensifying for the gunman who allegedly killed a bartender and three patrons at a bar in southwestern Montana, authorities said. Michael Paul Brown allegedly opened fire around 10:30 a.m. local time Friday at The Owl Bar in Anaconda, a city of about 9,000 people in southwestern Montana, according to the Montana Department of Justice.

Four people are dead after a shooter opened fire at Anaconda’s Owl Bar at approximately 10:30 a.m. on Aug. 1, 2025, according to a press release from the Montana Department of Justice.