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.

Exclusive: “He thought he would silence him and get rid of him, but all he did was make him more powerful,” Tristan Kern de Gonzales told The Independent of neighbor and accused shooter Sigfredo Ceja

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.