BLUELINE POLYGRAPH

John Rios began his Texas Law Enforcement career in 1987 and worked for two different agencies. In May of 2019 and after 32 years of police service he retired with the rank of Corporal-Detective. John was responsible for investigating felonies, misdemeanor crimes and also assisted several other States and Federal Agencies.

Besides criminal investigations and the administering of polygraphs, other areas of responsibilities included employee background investigations, the monitoring and registering of sex offenders, and the comparison of latent prints. John also served with the Texas Fatality Review Teams for Guadalupe and Comal County's and also worked closely with several Children Advocacy Centers. 

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In June of 2006 John attended and graduated from the American International Institute of Polygraph School. He administers polygraph examinations in both English and Spanish. John attended the Post Conviction Sex Offender Testing training at the National Polygraph Academy. John has over 3300 hours of law enforcement training and he is recognized by the Texas Commission of Law Enforcement as an Instructor and as a Master Peace Officer.

John is a past President and Chairman of the Texas Association of Polygraph Examiners and he maintains a membership with the American Association of Police Polygraphist. ​​In June of 2019 John established Blueline Polygraph LLC., which is an Investigations Company in an effort to continue to provide services on Employee Background Investigations, Polygraphs, Fingerprinting, and other Investigative Services.

John served in the Texas Army National Guard and retired in 2005 with 22 years of service.