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Dramatic surveillance video has been released in the armed confrontation at a north suburban hospital in which Highland park Police shot and killed a man who was threatening staff members with a gun.

Chris Anderson and his 9-year-old daughter Alaysia were taken to NorthShore Highland Park Hospital with minor injuries after a car they were passengers in was in an accident on the Edens November 2.

The driver was charged with several offenses including DUI.

Two hours after arriving at the hospital, staff members say they were trying to get Anderson to change into a hospital gown when he became agitated. His daughter was being assessed for a head wound, they say and he wasn’t happy with the care they were getting.

Anderson became loud and abusive, then pulled a handgun from his waistband.

Surveillance video from inside the hospital, obtained by WGN under the Freedom of Information Act, shows doctors and nurses scattering. One crouches down behind a desk and gets on the phone.

Four Waukegan police officers were on the scene within a few minutes and another surveillance camera shows them surrounding the room Anderson was in, still brandishing the gun. For nearly a minute, witnesses say, police told him over and over to drop it. He wouldn’t.

A third camera, mounted on a taser worn by one of the responding officers, captured the audio from the moment they decided they had no choice but to open fire.

Two of the officers fired nine rounds and Anderson was hit multiple times.

Hospital staff say they did their best to save him, but couldn’t.

The Lake County State’s Attorney has already ruled the shooting was justified.

Investigators would later learn Anderson’s handgun had been reported stolen. And they say Anderson had a long criminal history. At the time of his death, he was a suspect in a hit and run with convictions for aggravated battery, resisting a police officer and burglary along with a 2010 conviction for escaping from the Lake County Jail.