MARTINEZ -- A 21-year-old Martinez man was sentenced Friday to 25 years to life in state prison for sexually abusing three young girls, including one whom he filmed himself abusing.

William Vincent Yakopatz, who met his victims through friends and family members, took a plea deal while awaiting trial on 22 felony sex crime charges. He pleaded no contest Friday to sex acts on a child under age 10 and two counts of lewd and lascivious acts on a child under age 14.

Two of the victims were 6 years old, and the other was 8 when the crimes occurred in Antioch and Concord in 2010 and 2011. Yakopatz has been in jail since his arrest in July 2011.

One of the girls was identified as a victim after Yakopatz gave his computer to a relative. The relative found a SIM card containing footage of Yakopatz sexually assaulting the child and contacted police at a time when Yakopatz was already being investigated for harming the other two victims, deputy district attorney Paul Graves said.

One of the victims was a physically disabled girl whose parents spoke at Yakopatz's sentencing. Her father said the girl is afraid of Yakopatz and says she never wants him to get out of prison.

"No one should ever touch a child in a sexual way, especially one with a physical disability," the girl's stepmother said tearfully. "What kind of person takes advantage of a child who can't defend herself?"


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Yakopatz did not make a statement at the sentencing. He will be 46 when he is first eligible for parole, Graves said. If he is ever released, he will be required to register as a sex offender for the rest of his life.

Contact Malaika Fraley at 925-234-1684. Follow her at Twitter.com/malaikafraley.