FRESNO, Calif. (KSEE/KGPE) - A man has been arrested detectives discovered he had electronic devices containing child sexual abuse material, the Fresno County Sheriff's Office said. Deputies say members of the Central Valley Internet Crimes Against Children Task Force served a search warrant at a home on the 4500 block of E. Normal Avenue in Fresno on Thursday. The Sheriff's Office says detectives contacted the suspect, identified as 40-year-old Seth Andrew Mattocks of Fresno, at his home. Detectives then seized electronic devices in which they say they discovered photos containing child sexual abuse material. Sheriff's officials encourage anyone with additional information about Mattocks to contact them at 559-600-3111.