Authorities are searching for 45-year-old military veteran Michael Paul Brown who killed four people at a Montana bar on Aug. 1.

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.

Stymied by treacherous terrain and untamed wilderness, authorities are struggling to find an Army veteran suspected of killing four people at a Montana bar. But the difficult landscape isn’t the only challenge.