California Criminal Jury Instructions (CALCRIM 2023)

CA 3403. Necessity

The defendant is not guilty of ______________ <insert crime[s]> if (he/she) acted because of legal necessity.

In order to establish this defense, the defendant must prove that:

  1. (He/She) acted in an emergency to prevent a significant bodily harm or evil to (himself/herself/ [or] someone else);
  2. (He/She) had no adequate legal alternative;
  3. The defendant’s acts did not create a greater danger than the one avoided;
  4. When the defendant acted, (he/she) actually believed that the act was necessary to prevent the threatened harm or evil;
  5. A reasonable person would also have believed that the act was necessary under the circumstances;

AND
6. The defendant did not substantially contribute to the emergency.

The defendant has the burden of proving this defense by a preponderance of the evidence. This is a different standard of proof than proof beyond a reasonable doubt. To meet the burden of proof by a preponderance of the evidence, the defendant must prove that it is more likely than not that each of the six listed items is true.

New January 2006; Revised April 2008, September 2018

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