Excalibur Consulting LLC holds Private Investigation Company license #A15476, issued by the Texas Private Security Board. J. Patrick O'Burke is licensed as the investigations company manager and a private investigator. 

Mr. OBurke holds polygraph examiner license #801 in Texas that is issued by the Texas Department of Licensing and Regulation. 

Mr. O'Burke is honorably retired from the Texas Department of Public Safety as a Commander in the Criminal Law Enforcement Division. He has more than thirty years of law enforcement experience in conducting and managing open and undercover investigations. Mr. O'Burke continues to hold certificates as a Master Police Officer and Police Instructor in Texas.  Mr. O'Burke is a college graduate with a Master of Science degree in Criminal Justice-Criminology and a Bachelor of Science degree in Criminal Justice from an accredited Texas University.  Mr. O'Burke has also testified in criminal and civil court on confessions obtained from interviewing and as been qualified as a subject matter expert on interview practices.

Mr. O'Burke has conducted more than 8,000 criminal, PCSOT and screening polygraph examinations since 1983.  Mr. OBurke is a Past President of the American Polygraph Association and served more than five years of its Board of Directors.  Mr. O'Burke is also a member of the American Association of Police Polygraphists, the Texas Association of Law Enforcement Polygraph Investigators, and the Texas Association of Polygraph Examiners.  Mr. O'Burke is qualified to conduct polygraphs on forensic criminal investigations as well as high risk supervised clientele such as sex offenders.  Mr. O'Burke's use of polygraph has helped identify thousands of guilty suspects, as well as clearing many wrongfully accused persons.  Mr. O'Burke is a subject matter expert in interviewing and has written and lectured extensively on this subject. Mr. O'Burke has testified in court on hundreds of occasions and is considered a subject matter expert on polygraph matters and interview and interrogation.  We offer case review and specific training on the issue of false confessions. 

For consumer information on private investigations in Texas, or to file a complaint, you may contact:
Texas Private Security Bureau
5805 N. Lamar Boulevard
Austin, Texas 78752
Phone: 512-424-7710

For consumer information on polygraph or to file a complaint, you may contact the Texas Department of Licensing and Regulation:
Texas Department of Licensing and Regulation.
P.O. Box 12157
Austin, Texas 78711
Phone: 1-800-803-9202 or 512-463-6599
Fax: 512-475-2871
www.license.state.tx.us