ABC News contributor and former NYPD chief Robert Boyce breaks down the ongoing police investigation after a gunman opened ...

Authorities were scouring a mountainous area of western Montana on Saturday for a military veteran who they say opened fire ...

Authorities are searching for Michael Paul Brown, the suspect in a deadly shooting at a bar in Anaconda, Montana, that left ...

Four were reportedly killed at the Owl Bar in Anaconda, Montana after a gunman, believed to be armed with an AR-15-style ...

A fire broke out at the Pryor dump south of Billings, Montana, on August 1, sending smoke across the city and prompting an ...

A gunman opened fire at a neighborhood bar in the small town of Anaconda, Montana, on Friday morning, killing four people ...

A shooting at a Montana bar left four people dead Friday, prompting a lockdown in a neighborhood several miles away as ...