On the morning of December 14, 2025, Salt Lake City officers were called to the Sugar House area near 2131 South Lincoln Street after reports of a possible overdose. First responders found 58-year-old Steve Gus Kallas dead on the ground beside a recreational vehicle where he was known to live. Fire department personnel later found a chest wound consistent with gunfire, and the death was reclassified as a homicide.

Detectives used surveillance footage from nearby businesses that reportedly shows a violent confrontation about 3:30 a.m. The video is said to depict a suspect exiting a vehicle, firing multiple rounds into the motorhome, attempting to ignite a Molotov cocktail, Kallas using bear spray in self-defense, and the assailant firing more shots as Kallas fled across the street and was struck.

Police identified 36-year-old Nathaniel Douglas Stockton as the primary suspect and allege the dispute was over a drug debt. Stockton was located during a traffic stop on December 17 and booked on charges including aggravated murder, attempted aggravated arson, drug possession, possession of a firearm by a restricted person, and ten counts of felony discharge of a firearm. If anyone knew Kallas, his routines, or witnessed the incident, please share information with investigators.