The mental health of suspected Montana gunman Michael Paul Brown, 45, declined significantly following the death of his mother, relatives said.

A manhunt for the Iraq military veteran suspected of fatally shooting four people at a bar in Montana continued for a fourth day on Monday.  On Friday at around 10:30 a.m. local time, Michael Paul Brown,

A manhunt is intensifying for the gunman who allegedly killed a bartender and three patrons at a bar in southwestern Montana, authorities said.