Vincent Wallis
Vincent Wallis
Owner
Yellowstone Investigative Services
Our experienced Billings private investigator was born, raised, and received his education in Montana. He has 34 years of investigative experience in positions including deputy coroner, commander of a detective/cold case unit, and private investigations. His experience includes all aspects of criminal investigations, as well as private investigations including interviews, surveillance, statement analysis, cold case investigations, background investigations, cheating spouse investigations, missing persons, fingerprinting, witness locating, cold case reviews, and conducting polygraph exams. You can rest assured your case will be handled with professionalism and confidentiality.
