Overview

• Martin Mendoza, 20, was arraigned Tuesday in San Jose on a first-degree murder indictment.
• He was arrested July 6 at the Calexico port of entry while attempting to return from Mexico and then transferred to the Santa Clara County Jail.
• Prosecutors allege forensic and surveillance evidence shows Marissa DiNapoli was stabbed five times in the back, forming the basis for the Penal Code Section 187 charge.
• Over 30 investigators from 15 agencies, including the FBI and U.S. Marshals, collaborated on the multiagency manhunt that led to his capture.
• A follow-up hearing is set for September 9; the investigation remains open as the DiNapoli family maintains privacy and calls for a review of the early police response.