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The Salt Lake County District Attorney's Office has ruled that three Unified Police Department officers were justified in fatally shooting a man in April after the man shot and killed a police dog and then fired at officers through the walls of a closet at a Millcreek area home.

David Shane Anderson, 36, was shot on April 27 — after shooting and killing UPD K9 Aldo — and died five days later at a hospital.

The DA's report, released Thursday, says UPD Sgt. Chad Reyes, Detective Kresdon Bennett and Detective Nathan Clark reasonably believed deadly force was necessary to prevent death or serious injury to themselves and others.

UPD officers were attempting to serve an arrest warrant on Anderson the night of April 27, at 4303 S. 730 East, when they learned from other occupants that Anderson was in the basement, the report states.

When Anderson did not respond to police commands to come out of the basement, they decided to use Aldo to clear the area.

Five officers entered the basement with the dog, which located Anderson in a bedroom closet.

Anderson fired two shots, one of which hit Aldo, the reports states.

The officers returned fired, some shooting into the closet through the walls, before retreating from the basement.

In the early morning hours of April 28, SWAT officers deployed tear gas, entered the basement and found Anderson alive with a gunshot wound to his head. Anderson died at a hospital on May 2.

Aldo, 7, died at the scene soon after being shot. The dog had served UPD as a dual purpose patrol and narcotics dog for the past five years.

Immediately after the shooting, it remained unclear whether Anderson had been shot by UPD officers, or had died by his own hand.

But the DA's report said the deputies' return fire, after Aldo was shot, had fatally wounded Anderson.

The warrant that UPD officers were attempting to serve was connected to an incident the week before, when Anderson allegedly rammed a police vehicle while fleeing from a traffic stop, the DA's report states.

Utah court records show Anderson also was wanted on a $25,000 warrant for failing to appear in 3rd District Court for an April 4 scheduling hearing on second-degree felony charges of possession of heroin and methamphetamine with intent to distribute, as well as a $2,500 warrant for class A misdemeanor possession of heroin.

The shooting episide was independently investigated by the West Valley City Police Department on UPD's behalf.