Authorities launched a manhunt for Michael Paul Brown after he allegedly opened fire in the Owl Bar on Aug. 1, killing the bartender and three patrons.

State authorities have not said what sparked last week’s shooting, which left a female bartender and three male patrons dead. The victims were identified as Nancy Lauretta Kelley, 64; Daniel Edwin Baillie, 59; David Allen Leach, 70; and Tony Wayne Palm, 74.

Michael Paul Brown, the suspect accused by police of killing four people by opening fire inside a Montana bar has been taken into custody, according to reports by KRTV, KTVH and KPAX . The U.S. Marshals Service previously offered a reward of $7,500 for any information that led to the arrest or capture of the 45-year-old Brown.