latent fingerprint analysis

Blueline Polygraph LLC is a professional law enforcement affiliated and oriented firm founded in June 2019 by John Rios, a retired Texas Corporal-Detective with 32 years of law enforcement experience. The firm offers polygraph examinations and fingerprinting services, including criminal investigations, pre-employment screenings, offender monitoring, and background investigations. Examinations are administered in English and Spanish.

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background investigationsfingerprintingpolygraph examinationspost-conviction sex offender testing