Blueline Polygraph LLC is a trusted investigations company in San Antonio, TX, founded by John Rios, a retired Texas law enforcement officer with over 32 years of experience. Specializing in polygraph examinations, employee background investigations, fingerprinting, and other investigative services, Blueline Polygraph is dedicated to empowering individuals and organizations with peace of mind through reliable and professional services.
With extensive training in administering polygraphs, conducting criminal investigations, and monitoring sex offenders, John Rios brings a wealth of knowledge and expertise to Blueline Polygraph. As a member of prestigious associations such as the Texas Association of Polygraph Examiners and the American Association of Police Polygraphists, Blueline Polygraph upholds the highest standards of integrity and professionalism in the industry.
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