He beat his wife, cracked his toddler stepson’s skull and was kicked out of the military. He drove away friends, drew attention from the police and abused his dog. Before Devin P. Kelley entered a rural Texas church with a military-style rifle, killing at least 26 people on Sunday, he led a deeply troubled life in which few in his path escaped unscathed.

A teenage gunman killed nine people in a shooting rampage at a shopping district in southern Germany -- before police found his body on a nearby street, authorities said.

The man accused of killing six people and injuring two more in a Saturday evening shooting rampage in Kalamazoo, Michigan, was an Uber driver who picked up and dropped off passengers between shootings, a source with knowledge of the investigation told CNN.

A man who shot dead two journalists on live TV in the US state of Virginia apparently sent a rambling fax to ABC News describing himself as a "human powder keg" shortly after the attack.

Three students were wounded in a library on the campus of Florida State University early Thursday by a gunman who was killed by campus police.