At Spectrum Polygraph Services, we lead the way in uncovering the truth with unwavering professionalism, discretion, and integrity. We proudly serve Los Angeles, Orange, Riverside, and San Bernardino Counties with mobile and in-office polygraph exams tailored to a variety of client needs.
Who We Are
With years of law enforcement experience and advanced specialized training in Interviewing & Interrogation and Behavioral Indicators, our team delivers high-caliber polygraph services you can trust. Every case is handled with care, respect, and strict confidentiality.
Our examiners are trained by the nation’s most respected agencies, including:
- Los Angeles Police Department (LAPD)
- Los Angeles County Sheriff’s Department (LASD)
- Federal Bureau of Investigation (FBI)
Certifications & Credentials
We uphold the highest industry standards through:
- Vollmer Institute of Polygraph – APA-accredited examiner training
- PCSOT Certification – Post-Conviction Sex Offender Testing via Marston Polygraph Academy
- Membership in the American Polygraph Association (APA)
- Membership in the California Association of Polygraph Examiners (CAPE)
These affiliations ensure that our methods align with the latest best practices, ethics, and scientific advancements in the polygraph profession.
What We Do
We don’t just administer polygraph tests—we deliver clarity, resolution, and peace of mind.
We specialize in:
- Infidelity & Relationship Exams
- Pre-Employment & Law Enforcement Screening
- Workplace Issues
- Legal Case Polygraph Testing
- Financial & Ulterior Motive Exams
- Mobile Polygraph Exams Across Southern California
All (Lie Detector) exams are available in English and Spanish to ensure maximum understanding and comfort for every client.
Who We Serve
Our clients include:
- Attorneys & Legal Teams
- Law Enforcement Agencies
- Employers & HR Departments
- Private Individuals Facing Critical Truth-Seeking Situations
Why Spectrum Polygraph Services?
- Years of experience in public safety
- Hundreds of successful polygraph examinations
- Fully bilingual team (English & Spanish)
- Discreet, mobile, and flexible scheduling
- Trusted by professionals and private clients alike