Cal. Penal Code § 999e

(a) An individual who is under arrest for the commission or attempted commission of one or more of the felonies listed in paragraph (1) and who is either being prosecuted for three or more separate offenses not arising out of the same transaction involving one or more of those felonies, or has been convicted during the preceding 10 years for any felony listed in paragraph (2) of this subdivision, or at least two convictions during the preceding 10 years for any felony listed in paragraph (3) of this subdivision shall be the subject of career criminal prosecution efforts. (1) Murder, manslaughter, rape, sexual assault, child molestation, robbery, carjacking, burglary, arson, receiving stolen property, grand theft, grand theft auto, lewd and lascivious conduct upon a child, assault with a firearm, discharging a firearm into an inhabited structure or vehicle, owning, possessing, or having custody or control of a firearm, as specified in subdivision (a) or (b) of Section 29800, or any unlawful act relating to controlled substances in violation of Section 11351, 11351.5, 11352, or 11378 of the Health and Safety Code. (2) Robbery of the first degree, carjacking, burglary of the first degree, arson as defined in Section 451, unlawfully causing a fire as defined in Section 452, forcible rape, sodomy or oral copulation committed with force, lewd or lascivious conduct committed upon a child, kidnapping as defined in Section 209 or 209.5, murder, or manslaughter. (3) Grand theft, grand theft auto, receiving stolen property, robbery of the second degree, burglary of the second degree, kidnapping as defined in Section 207, assault with a deadly weapon or instrument, or any unlawful act relating to controlled substances in violation of Section 11351 or 11352 of the Health and Safety Code. For purposes of this chapter, the 10-year periods specified in this section shall be exclusive of any time which the arrested person has served in state prison. (b) In applying the career criminal selection criteria set forth above, a district attorney may elect to limit career criminal prosecution efforts to persons arrested for any one or more of the felonies listed in subdivision (a) of this section if crime statistics demonstrate that the incidence of one or more of these felonies presents a particularly serious problem in the county. (c) In exercising the prosecutorial discretion granted by Section 999g, the district attorney shall consider the character, background, and prior criminal background of the defendant, and the number and the seriousness of the offenses currently charged against the defendant.