Authorities were scouring a mountainous area of western Montana for a military veteran who they say opened fire at a bar in the small town of Anaconda, killing four people.

ABC News contributor and former NYPD chief Robert Boyce breaks down the ongoing police investigation after a gunman opened fire at a Montana bar, killing at least four people.

Authorities were focusing on brushy terrain near the town of Anaconda, where they said the suspect killed four people.

Authorities said the suspect in a shooting at The Owl Bar in Anaconda, Montana, was believed to be armed and dangerous.

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

Officials continue to search for the suspect involved in a mass shooting that occurred in Anaconda on Friday morning.The ...

Police are searching for a U.S. Army veteran who they say opened fire in a bar on Friday, killing four people in the ...

Several people have been shot near a bar in Anaconda, Montana, according to local media reports. Witnesses reported that a ...

Brown is believed to be armed and dangerous, the Anaconda-Deer Lodge County Law Enforcement Center said in a Facebook post, ...

Investigators searching for a man they say shot and killed four people at a Montana bar Friday morning have located the ...