Penal Code 135: Destroying or Concealing Evidence In A Crime

Destroying or concealing evidence of a crime is a violation of Penal Code 135 PC.

What Is The Definition of Destroying or Concealing Evidence?

Under California Penal Code section 135 PC, the offense entails knowingly and willfully getting rid of or hiding evidence from being used in any trial, inquiry, or investigation authorized by law with intent to prevent it from being produced.

Both destroying and concealing evidence

How Does the Prosecutor Prove Someone Destroyed or Concealed Evidence?

To prove that evidence was destoyed or concealed under california penal code 135, the prosecutor has to prove the following facts or elements1:

  • You Willfully2 and knowingly;3 destroyed4 or concealed evidence5.
  • Any type of evidence6 to be produced at any trial, inquiry, or investigation whatever, authorized by law7 with intent to prevent it from being produced8.

A partner in a company which keeps two sets of accounting books sees police heading up to her office from her window. She flushes important records down the toilet in anticipation of a police search.

Both destroying and concealing evidence

According to attorney Diana Weiss Aizman “Because owners of the company intentionally destroyed the copies with intent that the record not be obtained by the police, they could be charged with violating Penal Code 135”

What Is Considered Evidence?

Evidence can be any of the following:

  • Documents
  • Video recordings
  • Images
  • Weapons9
  • Clothing that was worn during the commission of a crime10
  • Illegal drugs

This is not an exhaustive list and is not isolated to criminal law. Evidence under this code section includes items which may be part of civil litigation.

What Are Considered Legal Proceedings?

  • A criminal trial
  • Civil litigation such as family law cases
  • Police investigation which has yet to arrest someone for a crime.
  • Police investigation in a jail or prison11
  • Parole violation hearing

Legal Defenses

The most common defense for destroying or concealing evidence is a mistake of fact.

What Is The Mistake Of Fact Defense?

Because one of the elements is that you knowingly destroy/conceal evidence during a trial or investigation, if it can be shown that you mistakenly believed that the evidence you were destroying or concealing was not related to any proceeding, it can be a viable defense to this charge.

For a more in-depth explanation of mistake of fact as a legal defense, you can read our article on this defense here.

What Are The Penalties For Destroying or Concealing Evidence?

Penalties for California Penal Code 135 PC include the following:

MisdemeanorMaximum 6 Months County jailMax $1,000 Fine

Information On The Criminal Court Process

What You Should Do Now

If you have been arrested for destroying or concealing evidence and would like to learn more about what attorneys charge.

If you want to understand why its important to have an attorney represent you.

For general questions, please leave them in the comments below and we will answer them promptly.

If you are ready to discuss a pending case with an attorney contact the Aizman Law Firm at 818-351-9555 for a free confidential consultation.


  1. California Penal Code Section 135: Elements of the offense listed []
  2. Pen. Code, § 7: Definition of “willfully.”  “Willfully,” when applied to the intent with which an act is done or omitted, implies simply a purpose or willingness to commit the act, or make the omission referred to.  It does not require any intent to violate law, or to injure another, or to acquire any advantage.” []
  3. The word “knowingly” imports only a knowledge that the facts exist which bring the act or omission within the provisions of this code. It does not require any knowledge of the unlawfulness of such act or omission. []
  4. Destroying evidence necessarily means that it has to become unavailable and impossible to be produced.  Therefore, if, despite one’s efforts to destroy evidence, it is or can be restored and used, then, by definition, it has not been destroyed; rather, such efforts constitute an attempt: a direct, but ineffectual, act toward the commission of a crime.  If evidence is not destroyed, a person could not be convicted under this theory.  People v. Hill (1997) 58 Cal.App.4th 1078, 1090.  For example, in Hill, the Defendant tried to destroy fake traveler’s checks by throwing them out the window of a moving vehicle.  However, because the police recovered the checks, although torn up, they were still capable of being restored and identified.  Therefore, the Defendant’s act did not violate this code section []
  5. The plain meaning of “concealing” something is to hide or cover something from view.  Therefore, section 135 does not require “that a defendant must render evidence permanently unseen or unavailable. Rather successful concealment of evidence from a particular investigation is sufficient.”  Hillsupra, 58 Cal.App.4th at 1090.  For example, if a defendant concealed incriminating evidence and thereby prevented the police from finding it for a week, this delay is sufficient to constitute a violation under Penal Code Section 135. []
  6. The type of evidence included under this code section is very broad because it includes the phrase “or other matter or thing” and it is not limited in any way.  For instance, it is not specified that the evidence has to be in any form, such as written or documentary.  Therefore, written, documentary, or physical evidence is included.  See Penal Code Section 135: Type of evidence included: Any book, paper, record, instrument in writing, or other matter or thing. []
  7. The destruction and concealment has to take place during a trial or an investigation.  Otherwise, it will not fulfill this element.  This means that if you destroyed or concealed the evidence before it was requested to be produced at a trial or for an investigation, you would not be charged with the offense.  See Penal Code Section 135: Upon trial, investigation, or other proceeding authorized by law.  Here are some examples of the types of proceedings that apply under this code section: (1) criminal trial; (2) civil trial; (3) police investigation; (4) board hearing; (5) request for information pursuant to any investigation authorized by law. []
  8. “Intent” means doing so with purpose or willingness to commit the act, or make the omission referred to.  In this context, you have to have destroyed or concealed the evidence with the intent to prevent it from being produced at a trial or investigation.  If you did not have such intent, you cannot be charged under this offense. []
  9. People v. Lee, (1970) 3 Cal.App.3d 514, 526 []
  10. People v. Prysock, (1982) 127 Cal.App.3d 972, 980. []
  11. People v. Fields, (1980) 105 Cal.App.3d 341, 345. []

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