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

The victims killed in a bar shooting Friday in Anaconda, Montana, have been identified, Montana Attorney General Austin Knudsen said Sunday as an all-out manhunt for the suspect continues. The victims,

Police are searching for Michael Paul Brown, accused of killing four people in a Montana bar. Authorities warn he is armed and dangerous and remains at large.