All persons concerned in the commission of a crime, whether it be felony or misdemeanor, and whether they directly commit the act constituting the offense, or aid and abet in its commission, or, not being present, have advised and encouraged its commission, and all persons counseling, advising, or encouraging children under the age of fourteen years, or persons who are mentally incapacitated, to commit any crime, or who, by fraud, contrivance, or force, occasion the drunkenness of another for the purpose of causing him to commit any crime, or who, by threats, menaces, command, or coercion, compel another to commit any crime, are principals in any crime so committed.
Cal. Penal Code § 31
OF PARTIES TO CRIME
Applied in 17 court decisions — leading case United States v. Vidal (2007)
Most recently applied in Allure Labs, Inc. v. Aviles (In re Aviles) (November 2018)
Amended by Stats. 2007, Ch. 31, Sec. 4
How often courts cite this section
Court decisions citing this, by year. The dip in the last several years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the most recent years, so recent citations are undercounted.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.