On June 14, 2019, 41-year-old Jose Manuel Ramirez was found dead from apparent gunshot wounds at a home on Clark Avenue in Yuba City, California. He and another victim, Margarita Contreras, were discovered deceased after a reported shooting at the residence.

Police quickly identified 19-year-old Diego Martinez as the primary suspect. Martinez and his mother, Christy Madl, were arrested; Madl was charged as an accessory to murder on allegations she knew of her son’s actions and attempted to help him flee. A handgun believed to be linked to the killings was recovered.

Authorities described the victims and the suspect as acquaintances, but investigators had not detailed the exact nature of those relationships or a motive. Anyone with information about Ramirez, Contreras, Diego Martinez, or the events leading up to June 14, 2019, is urged to come forward.