A man accused of fatally beating a 33-year-old transient during a confrontation near downtown Riverside is slated to be arraigned next month on a first-degree murder charge.
Rayjai Watters, 23, of Riverside, was arrested last month following a Riverside Police Department investigation into the slaying of Richard Castaneda.
Watters made his initial court appearance on Dec. 10, when Riverside County Superior Court Judge Gary Polk appointed him a public defender and scheduled his formal arraignment for Feb. 13 at the Riverside Hall of Justice…