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Penal Code § PC 134 - Preparing False Evidence

1. What is Penal Code § PC 134?

Penal Code § 134 PC makes it a felony in California to knowingly create, alter, or arrange any type of false evidence with the intent to use it in a legal proceeding. The law is designed to protect the integrity of the justice system by punishing anyone who attempts to mislead a judge, jury, investigator, or decision-maker with fabricated or manipulated evidence.

Under PC 134, prosecutors must show more than just the existence of inaccurate information. They must prove that the person intentionally prepared that false evidence for the purpose of deceiving others in a civil or criminal matter.

How Does California Define “Preparing False Evidence”?

California law casts a wide net when defining what counts as “false evidence.” You may be charged under PC 134 if you intentionally create or alter:

  • Documents

  • Records or written instruments

  • Photos

  • Emails, texts, or digital files

  • Physical objects (weapons, clothing, maps, etc.)

  • Any “matter or thing” that could be presented as evidence

The statute also applies beyond the courtroom. Preparing false evidence is a crime even if the evidence is never actually used or submitted. The key factor is the intent to present it in a legal context.

Legal proceedings covered by PC 134 include:

  • Criminal and civil trials

  • Hearings or administrative reviews

  • Inquiries and investigations

  • Any proceeding where evidence could influence an outcome

Intent Is the Core of Penal Code 134

Two types of intent must be proven for a conviction:

1. Intent to Produce the Evidence

You must have prepared the false evidence with the purpose of presenting it—either personally or through someone else—in a legal proceeding.
Even if:

  • the case settles,

  • the evidence is never used, or

  • another person attempts to introduce it,

you may still be guilty if you intended it to be used.

2. Intent to Deceive

Simple mistakes, miscalculations, or careless recordkeeping do not violate the law.
To be guilty, a person must have acted knowingly and with a fraudulent purpose, intending to mislead or fool the court or investigators.

Penal Code § PC 134 Law Reads As Followed:

“Every person who prepares any false or ante-dated book, paper, record, instrument in writing, or other matter or thing, with intent to produce it, or allow it to be produced, for any fraudulent or deceitful purpose, in any trial, proceeding, inquiry, or investigation authorized by law, is guilty of a felony.”

2. What Are Examples of Penal Code § PC 134?

Penal Code § 134 PC makes it a felony to prepare any type of false or forged evidence with the intent to use it in a legal proceeding. Because the statute applies to any “book, paper, record, instrument in writing, or other matter or thing,” the range of possible violations is extremely broad. Courts have interpreted this law to cover both physical evidence and digital evidence, including electronic documents, videos, and text messages.

Below are clear examples—drawn from real-world situations—that illustrate the types of conduct that could violate Penal Code 134.

1. Altering Emails, Text Messages, or Digital Records

Digital manipulation is one of the most common modern forms of false evidence preparation.

Examples:

  • Editing text messages to make it appear that someone threatened you.

  • Deleting portions of an email thread to create a misleading narrative.

  • Changing metadata or timestamps on photos or videos to support a claim or alibi.

  • Creating fake screenshots to present during a dispute, trial, or investigation.

Under PC 134, even saving or organizing doctored files with the intent to use them in a legal matter can lead to a felony charge.

2. Forging or Altering Financial Records

Civil disputes often involve financial documentation, and falsifying these records is a direct violation of PC 134.

Examples:

  • Manipulating bank statements to inflate damages in a lawsuit.

  • Creating fake invoices or receipts to claim higher losses.

  • Altering business ledgers to hide funds in a divorce or contract dispute.

  • Forging payroll documents in an employment or wage claim case.

Because financial records carry weight in court, intentionally falsifying them is taken extremely seriously.

3. Creating Fake Physical Evidence

PC 134 is not limited to documents—it includes any matter or thing that could be presented as evidence.

Examples:

  • Planting drugs, weapons, or stolen property to implicate another person.

  • Damaging property yourself to claim someone else caused it.

  • Staging a crime scene by moving objects or creating false markings.

  • Fabricating injury-related items (e.g., braces, slings) to exaggerate harm in a personal injury case.

Even preparing these items with intent to present them—without ever using them—can result in charges.

4. Modifying Pictures, Videos, or Audio Recordings

Technology makes it easier than ever to create convincing fake media.

Examples:

  • Using Photoshop or AI tools to alter photographs.

  • Editing surveillance footage or cellphone video to remove key moments.

  • Splicing audio to make a conversation appear incriminating.

  • Creating deepfake-style media for use in a divorce or criminal matter.

If the intent is to deceive a court or investigator, the act violates PC 134.

5. Completing Forms or Reports With Intentionally False Information

Sometimes false evidence comes in the form of paperwork that appears legitimate.

Examples:

  • Filling out an insurance claim form with fabricated details.

  • Submitting a falsified medical report to increase settlement value.

  • Creating a backdated contract or agreement to sway a business lawsuit.

  • Writing a false police report or witness statement with the intent to mislead.

If the person completing the document intends to use it in a legal proceeding, it qualifies as preparing false evidence.

6. Manipulating Evidence in Family Law Matters

Family court disputes often involve high stakes, and unfortunately, accusations of falsified evidence are common.

Examples:

  • Altering custody-related communications to paint the other parent as unfit.

  • Editing photos or videos to exaggerate injuries in alleged abuse cases.

  • Creating fake logs or journals documenting behavior that never occurred.

  • Modifying financial disclosure forms in divorce proceedings.

Even if the parties settle before trial, the intent to use the evidence in court is enough for criminal liability.

7. Coaching or Persuading Someone to Create False Evidence

PC 134 applies even if you do not personally fabricate the evidence.

Examples:

  • Asking a friend to write a false witness statement.

  • Encouraging someone to alter an object, document, or record for you.

  • Directing an employee or family member to create misleading files or photos.

If you participated in preparing or directing the false evidence with intent to deceive, you can be charged under PC 134.

8. Creating Fake Online Profiles or Communications for Court Use

Digital impersonation can amount to preparing false evidence if intended for a legal case.

Examples:

  • Making a fake social media account to entrap someone in a custody battle.

  • Generating false online threats to accuse someone of harassment.

  • Sending yourself messages and pretending they came from another person.

These fabricated digital interactions can be seen as attempts to create false evidence.

3. What are Common Defenses Against Penal Code § PC 134?

Being accused of preparing false evidence under Penal Code § 134 PC is a serious matter. The charge is a felony and carries the potential for prison time, immigration consequences, and lifelong damage to a person’s reputation. Fortunately, the law also provides several viable defenses. A skilled criminal defense attorney can often challenge the prosecution’s evidence, expose flaws in the investigation, and show that key elements of the crime cannot be proven.

Below are the most common and effective defenses used in PC 134 cases.

1. No Intent to Produce the Evidence in a Legal Proceeding

To convict someone under PC 134, the prosecution must prove that the person:

  1. Created or altered evidence, and

  2. Did so with the intent to present it in a legal proceeding.

If you did not prepare the evidence for use in:

  • a trial,

  • a hearing,

  • an investigation,

  • or any formal legal process,

then the law has not been violated.

Examples of this defense:

  • You altered or edited a document for personal use, not for any court case.

  • You created something as a joke or exaggeration with no intention of using it legally.

  • A document or file was saved or edited automatically by software, not intentionally by you.

If intent cannot be proven beyond a reasonable doubt, the charge must be dismissed.

2. No Intent to Deceive or Defraud

Accidental mistakes, carelessness, or misunderstandings are not crimes under Penal Code 134.

The prosecution must show that you intended to deceive someone—such as a judge, jury, or investigator. Without that fraudulent intent, there is no criminal violation.

Examples of this defense:

  • You miscalculated amounts on a spreadsheet without realizing the error.

  • You misunderstood what information was required on a form.

  • You submitted incomplete or inaccurate information because of negligence, not deception.

  • You believed the information you provided was truthful at the time.

If your attorney can show that the mistake was innocent or unintentional, the charge cannot stand.

3. You Did Not Prepare the Evidence

Another powerful defense is showing you were not the person who created or altered the evidence in question.

This may apply when:

  • Someone else forged a document and blamed you.

  • A third party edited digital content without your knowledge.

  • You possessed a document but had no role in preparing it.

  • Another individual tampered with objects, files, or photos behind the scenes.

Under PC 134, preparation is the key act. Simply having or holding the evidence is not enough for a conviction.

4. The Evidence Was Not Actually “False”

Sometimes prosecutors assume evidence is fabricated when a legitimate explanation exists.

Situations where this defense may apply:

  • A photo appears edited due to poor lighting or compression.

  • A document’s metadata changed automatically because of software updates.

  • A discrepancy resulted from a transcription error or miscommunication.

  • A physical object looked altered but was naturally worn or damaged.

If the evidence is not clearly false or forged, the prosecution cannot meet its burden.

5. Entrapment by Law Enforcement

Entrapment occurs when police or government agents pressure, threaten, coerce, or manipulate someone into committing a crime they would not have committed on their own.

Examples of entrapment in PC 134 cases:

  • An undercover officer encourages or pressures someone to fabricate evidence.

  • Police create a scenario that pushes a person into editing or creating a document.

  • Officers use overbearing tactics to get someone to produce false information.

If your attorney can show that the criminal idea originated with law enforcement—not you—charges may be dismissed.

6. Lack of Evidence / Failure to Prove Each Element

PC 134 requires prosecutors to prove several specific elements:

  • The evidence was false

  • You prepared it

  • You intended to present it in a legal proceeding

  • You intended to deceive

If even one element is unsupported, the case falls apart.

Your attorney may challenge:

  • Forensic analysis of documents or digital files

  • Chain of custody

  • Witness credibility

  • Interpretation of communications or metadata

  • The meaning of ambiguous statements or texts

Often, factual disputes or weak evidence lead to reduced charges or complete dismissal.

7. The Allegations Were False or Misleading

Many PC 134 accusations arise during tense disputes such as:

  • divorces,

  • custody battles,

  • business conflicts, or

  • criminal investigations.

In emotionally charged cases, an opposing party may exaggerate, misunderstand, or falsely accuse someone of preparing false evidence.

A strong defense can expose:

  • motives to lie or exaggerate,

  • inconsistencies in the accuser’s version of events,

  • lack of supporting proof,

  • or improper assumptions made by investigators.

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4. What are The Penalties for Violating Penal Code § PC 134?

Violating Penal Code § 134 PC – Preparing False Evidence is a serious felony offense in California. Because this crime strikes at the integrity of the justice system, courts treat it aggressively, and prosecutors often seek the maximum punishment. A conviction can result not only in severe criminal penalties but also long-term consequences affecting immigration status, employment, licensing, and gun rights.

Below is a detailed breakdown of the penalties and collateral consequences associated with a PC 134 conviction.

1. PC 134 Is a Felony in California

Penal Code 134 is always charged as a felony, regardless of the circumstances. This means the offense carries harsher sentencing ranges than misdemeanor evidence-related crimes.

If convicted, you face:

• 16 months, 2 years, or 3 years in California state prison

The sentencing range is determined by:

  • the facts of the case,

  • the extent of the alleged fabrication,

  • the impact on the legal proceeding, and

  • the defendant’s prior criminal history.

Judges have discretion to impose the low term, middle term, or upper term depending on aggravating or mitigating factors.

2. Felony (Formal) Probation May Be Available

Instead of prison, some individuals may receive felony probation, also known as formal probation. This typically includes:

  • regular check-ins with a probation officer,

  • community service or community labor,

  • restitution,

  • mandatory counseling or classes (in some cases),

  • obeying all laws,

  • court-ordered search conditions, and

  • potential restrictions on digital devices or document handling.

Probation is not guaranteed and is generally awarded to:

  • first-time offenders,

  • individuals whose conduct had minimal impact on the legal case,

  • defendants who did not actually succeed in deceiving the court, or

  • those who played a minor role in the alleged preparation of false evidence.

A skilled defense attorney can often negotiate probation instead of prison time.

3. Heavy Fines and Court Fees

A conviction under PC 134 can also include:

  • significant fines,

  • court operations fees,

  • restitution to any victims or agencies impacted, and

  • reimbursement for investigative costs in certain cases.

While fines vary, they may reach several thousand dollars depending on the circumstances.

4. Immigration Consequences

Penal Code 134 is classified as a crime involving moral turpitude (CIMT) because it involves deception, fraud, and intent to mislead a legal authority. For non-citizens, this can have extremely serious immigration consequences.

A conviction may lead to:

  • deportation,

  • inadmissibility,

  • barriers to naturalization, and

  • revocation of protected status in certain cases.

Anyone who is not a U.S. citizen should seek legal counsel immediately when facing PC 134 charges.

5. Loss of Gun Rights

Because preparing false evidence is a felony, a conviction results in a lifetime ban on firearm ownership in California.

This includes the inability to:

  • purchase a firearm,

  • possess a firearm,

  • store a firearm in your residence, or

  • obtain or renew a concealed carry permit.

A felony conviction in California also triggers federal firearms prohibitions.

6. Effects on Professional Licenses and Employment

A conviction under PC 134 can damage a person’s professional standing, especially in fields involving:

  • law,

  • finance,

  • healthcare,

  • real estate,

  • military or government service,

  • education, and

  • public safety.

Because the offense involves dishonesty and fraud, employers and licensing boards often view it as a serious breach of trust. Disciplinary actions may include suspension, revocation, or denial of future licensing.

7. Expungement May Be Possible — But Not for Everyone

You cannot obtain an expungement if you served time in state prison for a PC 134 conviction.

However, if you:

  • received formal probation, and

  • completed all terms successfully,

you may be eligible to petition for an expungement under Penal Code § 1203.4.

An expungement can:

  • clear the conviction from your public criminal record,

  • improve employment opportunities, and

  • restore certain civil rights (but not gun rights).

Your defense attorney can advise whether expungement is realistic in your circumstance.

8. Long-Term Personal and Legal Consequences

Beyond the criminal penalties, a PC 134 conviction can impact your life in many ways:

  • Damage to your reputation

  • Loss of child custody or visitation opportunities

  • Complications in civil lawsuits

  • Barriers to renting housing

  • Loss of eligibility for certain government benefits

  • Difficulty obtaining loans or security clearances

Because the offense involves dishonesty, the stigma can follow a person for years.

Facing a PC 134 Charge? Grace Legal Group Can Protect Your Future.

The penalties for preparing false evidence are severe, but every case is defensible. Many PC 134 cases involve:

  • misunderstandings,

  • accidental errors,

  • biased investigations,

  • false accusations during emotional disputes, or

  • digital evidence that can be misinterpreted.

At Grace Legal Group, we aggressively challenge the prosecution’s evidence and fight to protect your rights, freedom, and reputation. Our Los Angeles criminal defense attorneys have deep experience handling fraud-related and evidence-related felony charges throughout Southern California.

5. What Are the Related Offenses To Penal Code § PC 134?

California takes the integrity of its legal system extremely seriously. As a result, several laws address conduct involving false, destroyed, or misleading evidence. While Penal Code § 134 PC specifically targets the act of preparing false evidence, several other statutes criminalize related behavior. Prosecutors often charge these offenses together—or substitute one for another—depending on the facts of the case.

Below are the most common related offenses to PC 134 and how they differ.

1. Penal Code § 132 PC – Offering False Evidence

PC 132 makes it a felony to knowingly offer false written evidence in any legal proceeding. Unlike PC 134, which focuses on preparation, PC 132 penalizes the act of submitting fabricated or forged evidence to a court, agency, or investigator.

Key differences from PC 134:

  • PC 132 applies only to written evidence, whereas PC 134 applies to any matter or thing—including digital files and physical objects.

  • You can violate PC 134 even if the evidence is never used; PC 132 requires the evidence to actually be offered or presented.

Examples of PC 132 violations:

  • Submitting a forged contract in a civil dispute.

  • Providing altered financial statements to the court.

  • Offering a backdated letter or witness statement.

PC 132 is often charged alongside PC 134 when a person both creates and presents the false evidence.

2. Penal Code § 118 PC – Perjury

Perjury occurs when someone gives false testimony under oath, either in writing or verbally. This offense is commonly charged when the alleged false evidence involves false statements rather than fabricated documents or objects.

How PC 118 differs from PC 134:

  • Perjury involves false statements, not physical or digital evidence.

  • The person must be under oath, such as in court or during a sworn affidavit.

  • The crime is complete once the false statement is knowingly made.

Examples of perjury:

  • Lying about your whereabouts in a criminal trial.

  • Signing a sworn declaration with knowingly false information.

  • Giving false testimony during a deposition or administrative hearing.

Although different, perjury and preparing false evidence are often connected, especially when a fabricated document is paired with false testimony.

3. Penal Code § 135 PC – Destroying or Concealing Evidence

PC 135 makes it a crime to willfully destroy, hide, or conceal evidence with the intent to prevent it from being used in a legal proceeding.

Key distinctions from PC 134:

  • PC 134 involves creating false evidence.

  • PC 135 involves destroying or hiding true evidence.

  • PC 135 can be charged as a misdemeanor, making it far less serious than PC 134.

Examples of PC 135 violations:

  • Throwing away documents subpoenaed in a lawsuit.

  • Deleting incriminating files or text messages.

  • Hiding a weapon or physical object to avoid its discovery.

Someone accused of preparing false evidence may also face PC 135 charges if they attempted to eliminate real evidence at the same time.

4. Penal Code § 141 PC – Planting Evidence

Under PC 141, it is a crime for a person—including peace officers—to plant or tamper with evidence with the intent to cause another person to be charged with a crime.

Key differences from PC 134:

  • PC 141 focuses on framing or incriminating someone else.

  • PC 134 applies more broadly to any attempt to deceive a legal proceeding, not necessarily to frame a specific individual.

  • PC 141 carries extremely serious penalties, especially for police officers.

Examples of PC 141 violations:

  • Placing drugs or a weapon in someone’s car.

  • Moving objects at a scene to make someone appear guilty.

  • Altering body cam footage to fabricate wrongdoing.

PC 141 is often considered the most severe of the evidence-tampering laws.

5. Penal Code § 182 PC – Conspiracy

A person may be charged with conspiracy if they agree with one or more individuals to commit a crime, including preparing false evidence.

How conspiracy relates to PC 134:

  • Conspiracy does not require that the false evidence actually be created.

  • An agreement + an overt act toward preparing the false evidence is enough.

  • Punishments can mirror the penalties for PC 134 itself.

Examples:

  • Planning with others to forge documents for court.

  • Asking someone to create fake photos or digital files.

  • Coordinating a scheme to mislead investigators.

Even minor involvement in the agreement can result in conspiracy charges.

6. Penal Code § 182.5 PC – Participating in a Criminal Street Gang

In rare cases, prosecutors may add gang enhancement charges if preparing false evidence is allegedly done in association with a gang. This significantly increases penalties.

Example:

  • A gang member alters documents or plants evidence to protect another member during prosecution.

Though uncommon, this enhancement dramatically increases exposure to prison time.

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