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,

Detectives investigating “King of the Hill” actor Jonathan Joss’ murder walked back their dismissal of homophobic hate crime claims — admitting it was “way premature” to rule the possibility out.