The last confirmed sighting of the suspect, Michael Brown, was on Aug. 1, officials reported on Tuesday, July 5.

"We have to be concerned about his state of mind,” Montana Attorney General Austin Knudsen said of Michael Brown.

The manhunt for the person who opened fire and killed four people at a Montana bar stretched into its fourth day Monday.

Nearly every inch of the bar’s narrow interior is plastered with glowing beer logo signs, neon strip lights and posters ...

As the search for Michael Paul Brown continued, Montana Gov. Greg Gianforte signed an executive order freeing up more ...

The search for Michael Paul Brown, who is suspected of killing four people, entered its fifth day on Tuesday with Governor ...

Montana authorities expand manhunt for Michael Paul Brown, 45, accused of killing four people at Owl Bar Friday night, with ...

We're going to take a look into the background of Montana shooting suspect Michael Paul Brown and see how his alleged actions ...

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

Four people shot dead in Montana bar and army veteran on the run: All we know as manhunt continues - Authorities are ...

Officers are "unrelenting in their pursuit, working around the clock" to find him, Montana Gov. Greg Gianforte stressed at a ...

Four people were killed in a shooting at a bar in Anaconda, Montana, on Friday, authorities said. A suspect is at large.