When the arrest is being made by an officer under the authority of a warrant, after information of the intention to make the arrest, if the person to be arrested either flees or forcibly resists, the officer may use all necessary means to effect the arrest.
Cal. Penal Code § 843
Arrest, by Whom and How Made
Enacted 1872.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.