Man accused in deadly Cathedral City shooting pleads not guilty Cathedral City Police Department Jose Ernesto Martinez A 28-year-old man accused in a fatal shooting in Cathedral City pleaded not guilty today to a murder charge. Jose Ernesto Martinez of Desert Hot Springs was arrested Saturday on suspicion of gunning down 27-year-old Isaac Valles of Rancho Mirage earlier that morning. Martinez was arraigned at the Banning Justice Center before Riverside County Superior Court Judge Alfonso Fernandez, who set bail at $1 million and scheduled a felony settlement conference for July 13 at the Larson Justice Center in Indio. Martinez remains held at the John Benoit Detention Center in Indio. Along with a murder charge, Martinez faces a sentence-enhancing allegation of discharging a firearm causing great bodily injury.