California Code, Penal Code - PEN § 13885.4

As used in this chapter, “* * * high risk sex offenders” means those persons who are required to register as sex offenders pursuant to the Sex Offender Registration Act and who have been assessed with a score indicating a “high risk” on the SARATSO identified for that person's specific population as set forth in Section 290.04, or who are identified as being at a high risk of reoffending by the Department of Justice, based on the person's SARATSO score when considered in combination with other, empirically based risk factors.