The former U.S. Army soldier arrested over a quadruple murder inside a Montana bar lived next door, authorities said.

Michael Paul Brown, 45, is accused of killing a bartender and three patrons at the Owl Bar a week earlier on Aug. 1.

Three young men were killed and nine others were wounded during a mass shooting on the 1500 bock of South Etting Street.

Two people were killed and six others were injured in a mass shooting at an after-party in downtown Los Angeles, authorities ...

FORDYCE, Ark. (AP) — An Arkansas man who killed four people and injured 11 others in a mass shooting at a grocery store last ...

Michael Paul Brown, the suspect accused by police of opening fire inside a Montana bar and killing four people has been taken ...

Aland Etienne, a security guard killed in the New York City office building mass shooting, was laid to rest after a funeral ...

Philadelphia police say the deadly Grays Ferry mass shooting was a case of 'contagious gunfire' and a total of 13 guns were ...

A 27-year-old man identified as Santos J. Wyatt was killed, and an 18-year-old male was seriously injured in the July 28th ...

On August 9, 2012, Ryan Clark Petersen dropped by Teasers, situated a few miles west of Dothan, Alabama. Not long afterwards, ...

Montana authorities confirm Michael Paul Brown, the suspect believed to be involved in last week's Anaconda mass shooting, is ...