Richard Wallace. (San Diego County Crimestoppers)

San Diego County law enforcement agencies are hunting for more than 50 sex offenders in the area who are in violation of various probation and parole regulations, officials said Monday.

Pictures and profiles of the sex offenders are available on www.sdcrimestoppers.com. Many of the offenders are in violation of a requirement that they register with police, authorities said.

Of particular interest, officials said, is 29-year-old Richard Wallace, pictured, whose crimes include sexual battery and who is accused of violating his parole.

San Diego Crime Stoppers pays up to $1,000 for information leading to a felony arrest. Tipsters can call (888) 580-8477.