top of page

Bobby Rachel


Bobby has administered over 10,000 polygraph examinations to Clients such as: Defense Attorneys, Governmental Agencies and Entities, Business, Sex Offender Treatment providers and private citizens.  He is licensed or certified to perform examinations in Texas, Arkansas, Louisiana, North Dakota, Oklahoma, and California. 

The majority of the examinations involve crimes or allegations of crimes committed against other persons (ie:  violence or sexual nature). He has specialized training and experience in sexual offenses/allegations and crimes against persons cases. He has assisted in clearing a cold case murder and several other murder and sexual investigations where pivotal information was derived from the polygraph examination and interview. He has assisted several defense attorneys in clearing their client of an alleged criminal violation prior to court and/or Grand Jury proceedings. He has worked with several therapists and case workers and their clients.

He is a PCSOT certified examiner by American Polygraph Association.  Additionally he is one of less than 30 examiners with PCSOT training in California and is listed on State of Texas JPCOT polygraph provider list.  Also listed on the California Association of Polygraph Examiners website as full member and authorized to perform examinations.  In addition, he currently am serving as Vice President of the board of directors for TALEPI (Texas Association of Law Enforcement Polygraph Investigators) and also previously served on the California Association of Polygraph Examiners Board of Directors and served as Region IV Director for the American Association of Police Polygraphists.


Bobby has testified in court and legal proceedings as polygraph examiner for the prosecution as well as defense. He is a noted Expert in Federal Court for interview and interrogation skills.  He has current contracts to perform services for several county probation departments, Texas Civil Commitment Unit and US Probation.

During his Law Enforcement career (1986-2019), Bobby received several commendations and recognition for polygraph work.  We are extremely happy to have Bobby Rachel and his team at Polygraph Services and Investigations as part of our extended team! Feel free to call us for more information. 

bottom of page