Tristan Kern de Gonzales tells PEOPLE about the final moments he shared with his husband, Jonathan Joss, after the 'King of the Hill' star was fatally shot outside their home in San Antonio, Texas.

While it remains unclear what prompted the fatal shooting of Jonathan Joss, a Native American voice actor best known for his work on the animated television series “King of the Hill,” police say they are looking into whether his sexual orientation played a role in his death.

Jonathan Joss, the actor known for voicing John Redcorn on “King of the Hill,” was shot and killed by a neighbor on Sunday night in San Antonio. The 59-year-old actor also appeared in “Parks and Recreation,

The man charged with murdering actor Jonathan Joss told police “I shot him,” according to a police report detailing the incident.

Joss’ husband has said the person who killed the actor yelled “violent homophobic slurs” before opening fire outside his home in San Antonio on Sunday night. A day after the shooting, San Antonio police issued a statement saying they had found “no evidence whatsoever to indicate that Mr. Joss’ murder was related to his sexual orientation.”

Shouldn’t have done it, it was way too soon before we had any real information,” San Antonio Police Chief William McManus admitted in a Thursday press conference.