Active Shooter

Raising awareness about the incel movement could help prevent acts of mass violence before they occur

Incels have been linked to multiple acts of mass violence over the past few years

Some reports said the shooter was "stoned to death," but police say the cause of death is still under investigation

The 20-hour course will cover tactical emergency medical techniques, de-escalation and firearms training

Police found unlawful weapons at the man's home and a manifesto stating he would “slaughter” thousands of women “out of hatred, jealousy and revenge”

Officer Danny Leon was credited with ending a deadly shooting spree that hurt two EMTs and a firefighter

"We train for responding to an active shooter event, not being part of one," the fire chief said

A man shot a firefighter and two members of a Tucson ambulance crew, and killed a neighbor, before he was shot by police, officials said

The suspect opened fire from the motel balcony on police officers, authorities said

A Lenco FireCat is being credited with helping put out flames when it was too dangerous for firefighters to approach using traditional means

The retired trooper may have been trying to stop the gunman, who also killed a woman in the incident, authorities said

Two juveniles whom police previously charged were released and had their cases dropped

“He did not hesitate," a witness said. "He heard the gunfire, went to the door and immediately ran in that direction"

Officer Gordon Beesley was remembered for his integrity and love of the outdoors

Investigators were combing through at least eight separate shooting scenes, police said