P.

DISCUSSION

A. By Not Raising It in the Trial Court, Corsini Forfeited His Second Amendment Challenge to the Statute Criminalizing Possession of a Billy

Corsini argues that his conviction for possessing a billy should be reversed

because the statute under which he was convicted — section 22210 — violates the

Second Amendment to the United States Constitution under District of Columbia v.

Heller (2008) 554 U.S. 570 (Heller) and McDonald v. City of Chicago (2010) 561 U.S.

__ [130 S.Ct. 3020, 177 L.Ed.2d 894] (McDonald).

Corsini has forfeited this issue because he did not raise it in the trial court.

" ' "[N]o procedural principle is more familiar to this Court than that a constitutional

right," or a right of any other sort, "may be forfeited in criminal as well as civil cases by

the failure to make timely assertion of the right before a tribunal having jurisdiction to

determine it." ' [Citations.] 'The purpose of this rule is to encourage parties to bring

errors to the attention of the trial court, so that they may be corrected. [Citation.]' " (In re

Sheena K. (2007) 40 Cal.4th 875, 880-881.)

Corsini contends that even though he did not raise…