Active Shooter

Authorities said the gunman was a worker at the factory

A 17-year-old has been arrested in the shooting that killed one and left 13 wounded

Officers were able to immediately begin life-saving measures for many of the wounded, including applications of tourniquets and chest seals

Police said the gunman shot a grandmother and her grandson before killing himself

Sheriff Mike Chitwood called the assault on officers by two armed children "something I've never seen in 35 years in policing"

The video shows officers bursting through a set of double doors, where they find the shooter

The gunman was later found dead in his house, which had been set on fire

A Harris County deputy was working security at the club when an armed suspect began shooting

A coworker also said that the gunman had worked regularly with the victims

"I never believed him, and it never happened. Until now," said the man's ex-wife

Officials said the suspect, an employee at the rail yard, had also died

“My heart breaks for the families who have lost someone they love,” Colorado Springs Police Chief Vince Niski said

The victims — two students and a custodian — are expected to survive

“Officer Steidell's shots were the last ones fired by anyone inside the King Soopers," the report reads