Oklahoma City Investigators PO Box 721079 Robert Smart is a licensed private investigator based in Oklahoma with 23 years experience as an investigator in law enforcement, and expert witness able to give expert testimony, a member of the Oklahoma Private Investigation Association and registered with the Better Business Bureau. Oklahoma City OK Investigators Smart Private Investigations www.smartpi.com Private Investigator Licensed Private Investigator Robert Smart Oklahoma Private Investigator Private Investigator Oklahoma Criminal investigations Fraud investigations retired law enforcement officer retired detective expert witness inve Private Investigator Licensed Private Investigator Robert Smart Oklahoma Private Investigator Private Investigator Oklahoma Criminal investigations Fraud investigations retired law enforcement officer retired detective expert witness inve Business Reviews Smart Private Investigations Testimonials