A man who told police he shot and killed actor Jonathan Joss in a South Side neighborhood is scheduled to appear in court on Wednesday. Sigfredo Ceja Alvarez, 57, was arrested in June 2025 and booked on a murder charge after he admitted to the shooting following an ongoing dispute with Joss. KSAT plans to livestream Alvarez’s Wednesday morning court appearance at approximately 9 a.m. in this article and on KSAT Plus. Delays are possible. If ther…