
Dominic James Vannucci was arrested in Discovery Bay on June 4, 2025, for possession of child sexual abuse materials. Photo: CCCSheriff
25-year-old Dominic James Vannucci held on $1,200,000 bail
By Office of the Contra Costa County Sheriff
The Contra Costa County Internet Crimes Against Children (ICAC) task force recently received information that a Contra Costa County resident was in possession of child sexual abuse material. ICAC investigators identified the person and secured a search warrant for his residence.
On Wednesday morning, June 4, 2025, the ICAC task force executed a search warrant at a home on the 2200 block of Breaker Court in Discovery Bay.
Electronic devices containing child pornography, along with other items, were seized.
Detectives arrested 25-year-old Dominic James Vannucci of Discovery Bay (born 2/9/2000). He was booked into the Martinez Detention Facility, where he is currently being held. On Wednesday afternoon, June 4, the Contra Costa District Attorney’s Office filed 20 counts against Vannucci, including possession of child pornography and annoying or molesting a child. He is being held in lieu of $1,200,000 bail.
Vannucci works as a Teacher’s Aide at Excelsior Middle School in Byron. Detectives have notified school officials and are coordinating with the administration regarding the investigation.
The investigation is ongoing. Anyone with any information regarding this case or who has had contact with Vannucci related to this investigation is asked to call the Contra Costa Sheriff’s Office Investigation Division at (925) 313-2600. For any tips, please email: tips@so.cccounty.us or call 866-846-3592 to leave an anonymous voice message.
According to the Contra Costa County Sheriff’s Department, the six-feet, two-inch tall, 180-pound Vannucci is Hispanic and his next court appearance is scheduled for June 26, 2025, in Dep’t 5 of Superior Court in Martinez.
Contra Costa County ICAC consists of Brentwood PD, Concord PD, Moraga PD, Oakley PD, Pleasant Hill PD, Walnut Creek PD, Contra Costa Sheriff’s Office, Contra Costa Probation Department, Contra Costa District Attorney’s Office, U.S. Secret Service, and Homeland
Security Investigations.
Allen D. Payton contributed to this report.