Polygraph (Lie Detector) Examinations Across Southern California

At Spectrum Polygraph Services, we proudly offer professional, confidential, and bilingual (English/Spanish) lie detector tests throughout Southern California. Whether you’re located in Los Angeles, Orange, Riverside, or San Bernardino, our certified polygraph examiners are ready to serve you with integrity and discretion.

Whether you’re an individual, employer, or attorney, our mobile and in-office services ensure reliable testing.

Explore Our Diverse Range of Polygraph Examinations

At Spectrum Polygraph Services, we offer a comprehensive suite of polygraph examinations tailored to meet your specific needs. Our experienced examiners use state-of-the-art technology and proven techniques to provide accurate and reliable results. Whether you’re dealing with personal matters, legal disputes, or workplace issues, we’re here to help you uncover the truth.
A close-up shot of a person looking concerned during a polygraph examination, with the polygraph machine subtly visible in the background, emphasizing the seriousness of adverse history exams.
Adverse History Examinations
Uncover hidden truths with our adverse history exams, addressing past sexual behavior, STDs, drug use, prior marriages, and undisclosed lifestyles.
A couple sitting on a couch looking distressed, with a blurred background suggesting a home environment, representing the emotional challenges addressed in domestic issues and fidelity exams.
Domestic Issues & Fidelity
Address infidelity suspicions, emotional affairs, online activity, contact with ex-partners, and relationship trust concerns with our specialized polygraph examinations.
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Legal & Civil Matters Exams
Resolve divorce disputes, business partner trust issues, accusations in lawsuits, and contractual disputes with our legally sound polygraph services.
A magnifying glass hovering over a contract, highlighting the detailed investigation involved in specific issue exams, such as theft, drug use, and rule violations.
Specific Issue Examinations
Investigate theft, suspected drug use, rule violations, and denials related to specific accusations or events with our targeted polygraph examinations.
A close-up shot of a person's face during a polygraph examination, with the polygraph machine visible in the background, emphasizing the focus on truth and accuracy in pre-employment screening.
Pre-Employment & Background Screening
Verify candidate truthfulness with our polygraph tests. Ideal for law enforcement, public safety, private security, and sensitive roles, ensuring a secure and trustworthy workforce.
An image depicting a person looking thoughtfully at a financial document, symbolizing the investigation of hidden financial intentions through polygraph examinations.
Ulterior Motives Exams
Uncover hidden agendas with our specialized exams. Address concerns like financial motives, marriage-for-benefit, and relationship inquiries, providing clarity and protecting your interests.
A discreet image showing someone secretly using a phone, representing the investigation of unsanctioned activities through polygraph examinations.
Unsanctioned Activities Exams
Address sensitive issues like secret social media use, viewing pornography, or unapproved contacts. Our discreet exams help maintain trust and integrity in personal relationships.
An image of a professional office setting with a subtle hint of tension, symbolizing workplace investigations and the use of polygraph examinations to resolve internal issues.
Workplace & Internal Investigations
Resolve workplace issues with our thorough investigations. Address theft, fraud, harassment, and misconduct allegations, ensuring a fair and secure work environment for all employees.