Pima County Sheriff's Department

On Monday, Dec. 2, at about 9:30 a.m., Foothills District deputies responded to the 5200 block of N. Crowley Lane, which is near Curtis Road and La Cholla Blvd., in response to a female that called 9-1-1 to request that law enforcement check the welfare of her roommate who was suffering a mental health crisis and had a firearm.

The Mental Health Support Team (MHST) responded to the scene with patrol deputies to make contact with Scott Mitchell, a 46-year-old. MHST confirmed a mental health evaluation court order existed for Mitchell. Deputies were able to get the female out of the house safely and confirmed with her that Mitchell was suicidal, armed with a firearm, and barricaded inside the residence.

Deputies attempted to talk Mitchell out, but the attempts were unsuccessful.

Due to the threat posed by Mitchell to the community given the proximity of the surrounding homes, the SWAT team and negotiators responded to the location. School busses were diverted to safer locations and surrounding homes were evacuated.

SWAT was able to navigate a robot into the home in an attempt to afford negotiators the ability to communicate with Mitchell, to try to have him come out of the house and obtain the help that he needed.

Mitchell responded by firing shots in the house and at the robot, which disabled its cameras. Chemical agents were then deployed into the home.

Mitchell fired additional shots out of the home, in the direction of deputies and SWAT team members. Sgt. Derek Tyra fired at Mitchell, who was subsequently pronounced deceased at the scene.

Tyra has been placed on administrative leave pending the investigation, which is standard procedure following an officer involved shooting. Tyra is a fourteen-year veteran of the Pima County Sheriff’s Department.

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