At Spectrum Polygraph Services, we lead the way in uncovering the truth with unwavering professionalism, discretion, and integrity. With over 18 years of law enforcement experience and advanced specialized training in Interviewing & Interrogation, and Behavioral Indicators.

Our examiners are trained by the most esteemed agencies in the nation, including the Los Angeles Police Department (LAPD), Los Angeles County Sheriff’s Department (LASD), Drug Enforcement Administration (DEA), and Federal Bureau of Investigation (FBI).

Our certified polygraph examiners are trained at the prestigious Vollmer Institute of Polygraph, and we also hold Post-Conviction Sex Offender Testing (PCSOT) certification from the Marston Polygraph Academy. Our commitment to excellence is reinforced by our membership in the American Polygraph Association (APA) and the California Association of Polygraph Examiners (CAPE), ensuring we are always ahead of evolving standards and best practices.

With hundreds of successful polygraph examinations under our belts—including pre-employment screenings, internal screenings, criminal cases, and single-issue tests conducted in both English and Spanish—we don’t just administer tests. We deliver clarity, resolution, and peace of mind to our clients.