On Friday October 21, 2022, Mark Navone was sentenced in Contra Costa County Superior Court to a 22-year prison sentence after being found guilty of numerous charges relating to throwing objects at vehicles.
Navone was arrested after a California Highway Patrol (CHP) investigation identified him as the suspect in multiple incidents of vehicles being struck by thrown objects, such as rocks and bricks, on SR-4, near SR-242. Navone’s malicious actions resulted in the death of a 63-year-old grandmother from Antioch as well as the blinding of a 37-year-old delivery nurse from Concord. Navone was arrested on April 2, 2021, by Contra Costa Area CHP officers on a wide range of felony charges.
We would like to thank Contra Costa Area CHP investigators, CHP Golden Gate Division Investigative Services Unit Detectives, the Concord Police Department, the Antioch Police Department, and the Contra Costa County District Attorney’s Office for their incredible work in building this case. We would also like to thank the public for the valuable information they provided that enabled us to put this case together and ultimately hold Navone responsible for his actions.
The mission of the CHP is to provide the highest level of Safety, Service, and Security.
Concord Man Arrested in Fatal Rock Throwing Incident that Killed Antioch Woman
April 7, 2021
MARTINEZ, Ca— On April 2, 2021, at approximately 5:00pm, Contra Costa CHP Officers arrested MARK LAWRENCE NAVONE (46yr old man from Concord) in connection with numerous brick and rock throwing incidents onto the freeway that occurred in the area of State Route-242 and Highway-4 over the past year.
Navone’s actions resulted in the death of a 63-year-old grandmother from Antioch on April 10, 2020. Additionally, his actions maliciously deprived a 37-year-old delivery nurse of Concord of her vision. He is currently being held without bail at the Martinez Correctional Facility.
The Contra Costa County District Attorney’s Office is filing the following felony charges against Navone;
- 1 count of Murder
- 5 counts of Assault with a Deadly Weapon
- 1 count of Mayhem
Throughout this investigation, there were approximately 40 incidents reported of rocks or bricks being thrown at cars in the described area between September 2019 and January 2021. Through surveillance, DNA, evidence, witness statements, and many hours of investigation, our investigators identified Navone as the primary suspect in these incidents.
In support of this complex investigation, we’d like to thank our lead Detectives from our CHP Contra Costa Area, Golden Gate Division’s Investigative Services Unit, the District Attorney’s Office, Concord and Antioch Police Departments, and the numerous witnesses and members of the public whose assistance was vital in the apprehension of Navone.
No other information was released by CHP
