Darrin Bell, author of “Candorville” and “Ruby Park,” began his career as a staffer on the Daily Californian at UC Berkeley.

More than 100 videos of child sex abuse material, some of which was computer generated, have been connected to Mr. Bell, 49, according to the authorities.

The Sacramento County Sheriff's Office has arrested a Sacramento-based Pulitzer Prize-winning cartoonist on accusations of being in possession of child pornography. Detectives from the Sacramento Valley Internet Crimes Against Children served a search warrant to 49-year-old Darrin Bell's home Wednesday morning after receiving a tip from the National Center for Missing and Exploited Children.