Gamboa released from jail-Why are police protecting the peacekeeper that killed Loo?#nokings

A district court Judge released Mr. Gamboa from jail Friday. The Salt Lake City Police Department's homicide squad sent over their evidence to Salt Lake County District Attorney Sim Gill, who agreed with Mr. Gamboa's attorney Greg Skordas to released Gamboa due to not being able to make an informed decision by the Monday extended deadline.

https://www.abc4.com/news/wasatch-front/watch-arturo-gamboa-is-released-from-jail/

Who at the SLC PD made the decision to arrest and are still trying to get Gamboa convicted of a murder charge?
Is this police corruption?

Mr. Loo was shot and killed by Peacekeeper from a distance of 162 feet. Article here.
https://www.fox13now.com/news/crime/we-measure-how-far-away-the-victim-was-in-the-salt-lake-city-protest-shooting