Cal. Health & Safety Code § 11705
(a) Any one or more of the following persons may bring an action for damages caused by an individual’s use of an illegal controlled substance:
(b) A person entitled to bring an action under this section may seek damages from one or more of the following:
(2) A person who knowingly participated in the marketing of illegal controlled substances, if all of the following apply:
(d) A person entitled to bring an action under this section may recover all of the following damages: