Boulder police officers didn't wait for backup to confront King Soopers shooter. That's exactly what modern police tactics teach. – The Fort Morgan Times
Backup was denied, former Capitol Police chief says | The Seattle Times
Explosion of gun violence in Hartford prompts Connecticut State Police to send reinforcements - Hartford Courant
Phone Records Prove House Sergeant-at-Arms DID Ignore Pleas for Backup: Capitol Police Chief
Arma 3 Life Police #87 - No Backup - YouTube
Call for Backup. During a mental health crisis, police… | by StartUp Health | StartUp Health
Calling for Backup | A police officer responds to an emergen… | Flickr
Asian American Woman Police Officer at Crime scene Calling for Backup on CB Radio Stock Photo - Alamy