A great site for general legal research: http://findlaw.com

The Los Angeles County Superior Court: http://lasuperiorcourt.org

The Orange County Superior Court:
http://occourts.org

The Riverside County Superior Court: http://riverside.courts.ca.gov

The California Courts:
http://courtinfo.ca.gov

The California Courts of Appeal: http://appellatecases.courtinfo.ca.gov

The L.A. County Sheriff's Department:
http://lasd.org

The L.A. District Attorney's Office:
http://da.lacounty.gov

The State Bar of California:
http://calbar.ca.gov