Montana's governor has signed an executive order freeing up more resources for law enforcement officers as they search for a former U.S. soldier suspected in a deadly shooting at a Montana bar last week.

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,