3.4 Criminal Law Concepts: Entrapment, Extortion, Theft & Stalking

Key Takeaways

  • California applies the objective test for entrapment (People v. Barraza), evaluating whether the conduct of law enforcement or their agent would induce an ordinarily law-abiding person to commit the offense; subjective predisposition is irrelevant.
  • Under Penal Code § 518, extortion occurs when property is obtained through wrongful use of force or fear (PC § 519); threatening criminal prosecution to extract a civil settlement constitutes criminal extortion as a matter of law (Flatley v. Mauro).
  • Penal Code § 484 defines theft; grand theft (PC § 487) applies when stolen property exceeds $950 or involves specific enumerated property; embezzlement (PC § 504/508) requires fraudulent appropriation of entrusted property.
  • There is **no private investigator exemption in Penal Code § 646.9**. Subdivision (g) defines "credible threat," (h) defines "electronic communication device," and (i) excludes only conduct occurring during labor picketing.
  • Lawful surveillance escapes § 646.9 on the elements, not by exemption: § 646.9(e) defines "harass" as a course of conduct that "serves no legitimate purpose," and § 646.9(a) additionally requires a credible threat made with intent to place the target in reasonable fear.
Last updated: August 2026

3.4 Criminal Law Concepts: Entrapment, Extortion, Theft & Stalking

Quick Answer: In California, entrapment is governed by the objective test established in People v. Barraza (1979), which asks whether an investigator or police agent's conduct would induce an ordinarily law-abiding person to commit a crime. Extortion (Penal Code § 518) occurs when an investigator threatens criminal exposure to force a civil settlement (Flatley v. Mauro). Contrary to a widespread myth, Penal Code § 646.9 contains no exemption for licensed private investigators; lawful surveillance falls outside the statute because it serves a legitimate purpose and involves no credible threat.


1. Entrapment: California's Objective Test vs. Federal Rule

Undercover operations, decoy stings, and integrity testing are frequent assignments for private investigators investigating corporate theft, insurance fraud, or trademark counterfeiting. However, investigators must never cross the legal boundary into entrapment.

The Landmark Ruling: People v. Barraza (1979)

In People v. Barraza, 23 Cal.3d 675 (1979), the California Supreme Court rejected the federal "subjective test" and established California's objective test for entrapment.

                                  ENTRAPMENT LEGAL STANDARDS

    +-----------------------------------------------+-----------------------------------------------+
    |       CALIFORNIA OBJECTIVE TEST (BARRAZA)     |         FEDERAL / MAJORITY SUBJECTIVE TEST    |
    +-----------------------------------------------+-----------------------------------------------+
    | Focuses entirely on the CONDUCT OF THE AGENT. | Focuses on the DEFENDANT'S PREDISPOSITION.    |
    |                                               |                                               |
    | Core Question: Was the agent's conduct likely | Core Question: Was the defendant predisposed  |
    | to induce a normally law-abiding person to    | to commit the crime prior to government       |
    | commit the offense?                           | contact?                                      |
    |                                               |                                               |
    | Defendant's prior criminal history is         | Defendant's prior criminal history is         |
    | IRRELEVANT and inadmissible.                  | ADMISSIBLE to prove predisposition.           |
    +-----------------------------------------------+-----------------------------------------------+

Applying the Objective Test to Private Investigators

  1. Providing an Opportunity vs. Impermissible Inducement:
    • Permissible Decoy: Providing a normal setting or opportunity for a suspect to commit a crime (e.g., an undercover investigator posing as a customer offering to buy counterfeit goods at standard market rates) is lawful.
    • Impermissible Entrapment: Using badgering, excessive pressure, repeated appeals to sympathy, extraordinary financial rewards, or coercive tactics that would tempt an ordinary, law-abiding citizen into committing an offense is unlawful entrapment.
  2. Private Party Entrapment: When a private investigator acts independently for a private client, entrapment is technically an affirmative defense against government prosecution. However, if evidence was procured through outrageous private coercion, courts will exclude the evidence in criminal proceedings or dismiss civil claims for fraud and breach of duty.

2. Extortion & Civil Settlement Traps (Penal Code §§ 518, 519)

Investigators conducting corporate fraud, theft, or marital investigations frequently participate in settlement discussions or evidence disclosures. Mishandling these negotiations can result in felony extortion charges.

Statutory Definition (Penal Code § 518)

Penal Code § 518 defines extortion as the obtaining of property or other consideration from another, with their consent, induced by a wrongful use of force or fear, or under color of official right.

Prohibited Threats Creating Extortion Fear (Penal Code § 519)

Under Penal Code § 519, fear sufficient to constitute extortion may be induced by a threat:

  1. To do an unlawful injury to the person or property of the individual or a third person;
  2. To accuse the individual, or their relative, of any crime;
  3. To expose, or impute to them, any deformity, disgrace, or secret;
  4. To report the individual's immigration status or suspected citizenship status.

The Landmark Precedent: Flatley v. Mauro (2006)

In Flatley v. Mauro, 39 Cal.4th 299 (2006), the California Supreme Court established that threatening criminal prosecution or public disgrace to coerce the payment of money in a civil dispute constitutes extortion as a matter of law.

  • Forfeiture of Privilege: An attorney or investigator who sends a letter stating, "Pay my client $50,000 by Friday or we will deliver our investigation report to the District Attorney and IRS," commits criminal extortion. This conduct is not protected by the litigation privilege (Civil Code § 47(b)) or anti-SLAPP statutes.
  • Permissible Demand vs. Extortion: An investigator may prepare a factual report detailing losses and an attorney may demand civil restitution for actual damages. However, linking the civil demand to an explicit or implied threat of criminal reporting or public humiliation is illegal.

3. Theft and Embezzlement Fundamentals

Private investigators are routinely hired to investigate asset theft, employee misappropriation, and commercial fraud.

                                   CALIFORNIA THEFT STATUTES

       +------------------------------------+------------------------------------+
       |         LARCENY / THEFT            |            EMBEZZLEMENT            |
       |      (Penal Code § 484/487)        |       (Penal Code § 504/508)       |
       +------------------------------------+------------------------------------+
       | - Unlawful taking and carrying     | - Fraudulent appropriation of      |
       |   away of another's property       |   property by a person to whom     |
       | - Without initial consent          |   it was ENTRUSTED                 |
       | - With intent to permanently       | - Initial possession was LAWFUL    |
       |   deprive owner of property        | - Fiduciary or employment duty     |
       +------------------------------------+------------------------------------+

Grand Theft vs. Petty Theft Thresholds

  • Grand Theft (Penal Code § 487): Theft of money, labor, or real/personal property of a value exceeding $950 (established under Proposition 47), or the theft of specific enumerated property (automobiles under PC § 487(d)(1), firearms under PC § 487(d)(2), or direct taking from the person).
  • Petty Theft (Penal Code § 488): Any theft where the property value is $950 or less.

4. Stalking & The Licensed Investigator Statutory Exemption (Penal Code § 646.9)

Surveillance is one of the most common operational duties of a private investigator. Because surveillance involves following, monitoring, and documenting subjects without their consent, it could easily trigger stalking complaints without explicit statutory protection.

The California Stalking Statute (Penal Code § 646.9)

Under Penal Code § 646.9(a), any person who willfully, maliciously, and repeatedly follows or harasses another person and who makes a credible threat with the intent to place that person in reasonable fear for their safety, or the safety of their immediate family, is guilty of the crime of stalking (punishable as a misdemeanor or felony).

There Is No Private Investigator Exemption — Know Why That Matters

Commercial prep material frequently claims that Penal Code § 646.9(g) or (h) exempts licensed private investigators from the stalking statute. It does not. Read the actual subdivisions:

SubdivisionWhat it actually says
§ 646.9(e)Defines "harass" as a knowing and wilful course of conduct directed at a specific person that seriously alarms, annoys, torments, or terrorises them and that serves no legitimate purpose.
§ 646.9(f)Defines "course of conduct" as two or more acts evidencing continuity of purpose, and excludes constitutionally protected activity.
§ 646.9(g)Defines "credible threat" — a verbal, written, or electronically communicated threat, or one implied by a pattern of conduct, made with apparent ability to carry it out.
§ 646.9(h)Defines "electronic communication device" (telephones, cell phones, computers, video recorders, fax machines, pagers).
§ 646.9(i)The only categorical carve-out: "This section shall not apply to conduct that occurs during labor picketing."

So the investigator's real protection is elemental, not statutory immunity. A licensed investigator conducting a documented surveillance under a genuine client engagement:

  • is pursuing a legitimate purpose, so the conduct is not "harassment" within § 646.9(e); and
  • makes no credible threat, so the § 646.9(a) elements are never completed.

The practical consequence is severe and is exactly what the exam tests: an investigator who loses the legitimate-purpose anchor — surveilling without a real client engagement, continuing after the case closes, working a personal grudge, or adding intimidation to the follow — has no licence-based defence to fall back on. The same analysis governs the civil stalking tort under Civil Code § 1708.7, which also contains no investigator exemption. Contrast this with the real, express carve-outs elsewhere in California law that candidates should be able to name: Penal Code § 637.7(c) (tracking device with the registered owner's, lessor's, or lessee's consent) and Penal Code § 633.5 (recording evidence of enumerated crimes).

Where the Line Falls in Practice

Conduct that stays outside § 646.9Conduct that completes the elements
Covert mobile vehicular surveillance on public roadwaysTailgating, aggressive vehicle swerving, or running a subject off the road
Fixed stationary surveillance from public streets or sidewalksPeering into private residential windows or climbing perimeter fences
Taking telephoto photographs of a subject in public viewThreatening the subject verbally or making anonymous intimidating calls
Documenting activity pursuant to a legitimate client contractConducting surveillance for personal stalking or unverified private vendettas

Summary Rule for Practice

Do not tell an examiner, a client, or a police officer that your licence exempts you from the stalking statute. The correct statement is that lawful, client-authorised surveillance does not satisfy the elements of Penal Code § 646.9 because it serves a legitimate purpose and carries no credible threat. Documenting the engagement — a signed contract, a written scope, and contemporaneous surveillance logs — is what makes the legitimate purpose provable if a subject complains.

Test Your Knowledge

Under the California Supreme Court's ruling in People v. Barraza (1979), how is the defense of entrapment evaluated in California courts?

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B
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D
Test Your Knowledge

A private investigator discovers clear video evidence that a company manager embezzled $50,000. On behalf of the employer, the investigator sends an email to the manager stating: 'If you do not wire $50,000 plus a $10,000 investigation fee to our client within 24 hours, we will immediately file a felony criminal complaint with the District Attorney.' Under Flatley v. Mauro (2006), what crime has been committed?

A
B
C
D
Test Your Knowledge

A licensed California private investigator is conducting stationary surveillance on a workers' compensation claimant from a public street. The claimant spots the investigator, becomes agitated, calls the police, and demands the investigator be arrested for felony stalking under Penal Code § 646.9. Which statement correctly describes the investigator's legal position?

A
B
C
D