Cullen Investigations
A Full Service Investigation & Consulting Firm


Passion. Experience. Diligence.


Eric is recognized for his unwavering integrity and for providing the evidence/ information his clients need to protect their interests and achieve justice.

Eric is highly valued among attorneys, judges and law enforcement agencies as a consultant with a proven track record of finding key evidence for complex criminal and civil cases.          

  • His personal background includes more than 500+ cases in domestic, criminal defense, civil litigation, appeals and post-conviction relief.
  • In addition, he has investigated more than 50+ cases involving human death, including murder, manslaughter, suicide and deaths ruled “undetermined cause” by the Medical Examiner’s office.

Eric is a valuable addition during trial and often sits as the counsel table. He assist layers by coordinating with witnesses for testimony and offering ready to access information. Eric has extensive experience as a consultant to attorneys in more than 50+ jury trials, in Federal, State Court and Military Courts. Additionally, Eric is effective on the witness stand having testified in more than twenty cases at the State and Federal Courts.

His agency, Cullen Investigations, which was founded in 2005, specializes in investigative services, domestic/custody cases, fraud, wrongful or suspicious deaths, criminal defense and all types of civil litigation.

Eric has a Criminal Justice and Paralegal Degree from Northeastern State University. His unique educational background makes him highly sought-after by attorneys because of his high-level of competency in the court system. He is proficient in Rules and Ethics, Legal Research and Writing, Police Report Writing, and Criminal Procedure.



Cullen InvestiGations works to be OklAhoma's premier investigative and evidence-gathering firm serving the legal/Professional community and clients in the Surrounding area.


Cullen Investigations IS ON A mission to provide comprehensive investigative and evidence gathering services That OUR clients can effectively rely on.