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Criminal Defense Attorneys

When Are Prior Uncharged Bad Acts Admissible in Court?

Whenever we have an initial interview with a client, we are keen to know if the client has any criminal history.  Sometimes, the client will mention that he or she was arrested for something, or even just detained by police, but no case was filed thereafter.
 
We often let the client know that just because no case was filed, the evidence of the prior “bad acts” may be admissible later to show things like motive, opportunity, intent, preparation, planning, knowledge, identity or absence of a mistake or accident – or lack of a good faith belief that a victim consented to a sexual act, if that fact is in dispute.  Defendant, in other words, must first claim he did not have the motive or opportunity to commit the charged event, but the prosecution can seek admission of a prior, uncharged act to show defendant did have such motive or opportunity to commit a theft, for example.

Such prior “bad acts” are defined as taking place prior to trial, so they could take place after the arrest for the offense being tried, but before trial.  People v. Balcom (1994) 7 Cal.4th 414, 425. For example, someone may be facing a charge of domestic violence for an event that took place in July, but two month later in September, even before the July case has an arraignment in court, the defendant beats up his wife again, but no arrest or charges resulted from the September incident.

However, we also acknowledge that, in general, Evidence Code § 1101(a) prohibits the admission of “evidence of a person’s character,” whether by opinion or reputation evidence, or evidence of specific instances of conduct to prove his or her conduct on a specified occasion.
 
But the exceptions to this general rule make the client unhappy, so we write this article to explain why and when such prior bad acts evidence is admissible.  Usually, it is the prosecutor who invokes such exceptions to try to get in such prior bad act evidence and it is us who argue that the prosecutor is really just trying to prove bad character of our client by pretending such evidence qualifies as an exception.

Under Evidence Code § 1101(b), a judge can allow admission of evidence that “a person committed a crime, civil wrong, or other act when relevant to prove some fact . . . other than his or her disposition to commit such an act.”  The judge must then look at the crime at issue and whether defendant is asserting a defense or defenses that would be rebutted by evidence of a prior bad act that proves things like motive, opportunity, intent, preparation, planning, knowledge, identity or absence of mistake of accident, or (under Evidence Code § 1108) lack of a good faith belief by defendant that defendant consented to a sexual act.

Evidence Code § 1109 deals specifically with domestic violence.  It allows admission of similar domestic violence evidence against defendant to prove domestic violence took place at a later date, or that child abuse or elder abuse took place later. 

However, whenever a prosecutor gives defense counsel notice that he or she intends to introduce prior bad act evidence in a domestic violence, child abuse, elder abuse or sex crime, defense counsel should then ask how such evidence is relevant to show motive, opportunity, intent, preparation, planning, knowledge, identity or absence of mistake of accident, or (under Evidence Code § 1108) lack of a good faith belief by defendant that defendant consented to a sexual act.  Otherwise, such prior bad act evidence is really just character evidence purporting to be an exception to the general rule against character evidence when it is not an exception at all and is, instead, inadmissible character evidence.

We like to point out that “because this type of evidence can be so damaging, if the connection between the uncharged offense and the ultimate fact in dispute is not clear, the evidence should be excluded.”  People v. Williams (2017) 7 Cal.App.4th 644 (quoting People v. Daniels (1991) 52 Cal.3d 815, 855).

It is important to know that defendant does not have to testify to make such evidence admissible.  See People v. Perez (1974) 42 Cal.App.3d 760, 766.  Such prior bad act evidence is not considered impeachment evidence, like a prior conviction is considered.  When a prosecutor seeks to admit a prior conviction as evidence, defendant must testify first to make such evidence relevant as impeachment evidence.

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