Professional Polygraph & Lie Detector Tests in San Bernardino County

At Spectrum Polygraph Services, we proudly offer confidential and bilingual polygraph testing throughout San Bernardino County. Whether you’re facing legal matters, dealing with relationship concerns, or conducting an internal investigation, our experienced examiners deliver professional lie detector tests in both English and Spanish, on-site or at our local testing locations.

A concerned couple sitting on a couch, looking at each other with worried expressions, suggesting relationship issues that a polygraph exam could help resolve.

Infidelity & Relationship Polygraph Tests

Address trust concerns and infidelity suspicions with our discreet and professional relationship polygraph examinations, providing clarity and peace of mind.

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Civil Matters Polygraph Exams

Support your investigation with our certified polygraph examinations.

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Pre-Employment & Integrity Screenings

Ensure a trustworthy workforce with our pre-employment and periodic polygraph screenings, designed to detect potential risks and maintain workplace integrity.

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Specific Issue Polygraph Exams

Clear your name and restore your reputation with our specialized polygraph examinations, designed to prove your innocence in the face of false accusations.

Polygraph (Lie Detector) Exams in:

San Bernardino
Fontana
Ontario
Rancho Cucamonga
Chino
Upland
Highland
Colton
Yucaipa
Montclair