"There’s that feeling of why again, why do we have to go through this again," a doctor at the hospital said.

BUZZFEEDNEWS.COM

A Colorado Hospital Treated Kids Injured At STEM. It Was Their Third School Shooting.

"There’s that feeling of why again, why do we have to go through this again," a doctor at the hospital said.

WE DO PRACTICE THESE IN CANADA TOO 

"Attention please. Lockdown. Lock, lights, out of sight. Attention please. Lockdown. Lock, lights, out of sight. Attention please. Lockdown. Lock, lights, out of sight."

BUZZFEEDNEWS.COM

This Is What It Sounds Like Hiding In A Dark Classroom During A School Shooting

"Attention please. Lockdown. Lock, lights, out of sight. Attention please. Lockdown. Lock, lights, out of sight. Attention please. Lockdown. Lock, lights, out of sight. "

SEE HEY! HEY! NRA!HOW MANY KIDS YOU KILL TODAY