West Covina Man Arrested Attempted Murder Charged for Deliberate Hit-and-Run on Fullerton Cyclist

Christian Isaiah Diaz, a 22-year-old man from West Covina, was arrested and charged with attempted murder after intentionally striking a 31-year-old bicyclist in Fullerton with his Dodge Challenger. The incident occurred around 1:30 p.m. on July 22 at the intersection of South Harbor Boulevard and West Orangethorpe Avenue, where Diaz allegedly ran into the cyclist after a prior confrontation at a red light. The victim sustained bruised ribs and scrapes but was treated and released from the hospital. Security footage captured Diaz swerving across lanes to hit the cyclist, then fleeing the scene, prompting an ongoing investigation by Fullerton Police. Authorities have requested the public's assistance in providing additional information about the collision. Diaz faces sentencing enhancements due to the premeditated nature of the attack.