A man shot and killed at least 16 people at a restaurant and a bowling alley in Maine and then

A gunman stepped out of a silver sedan and started shooting people at a Dallas-area outlet mall Saturday, killing eight

A Texas man went next door with a rifle and fatally shot five of his neighbors, including an 8-year-old boy

A Louisville bank employee armed with a rifle opened fire at his workplace Monday morning, killing five people

A gunman killed 10 people and wounded 10 others at a Los Angeles-area ballroom dance club following a Lunar New

The identity of the gunman, who was arrested at the scene, was not immediately known. No group has claimed responsibility