He has a bachelor's degree with a major in law enforcement and a Juris Doctor from Creighton Law School in Omaha. He was admitted to the Nebraska and South Dakota bars as well as federal courts. He has specialized in technical fraud investigations for 30 years, is a polygraph examiner, has written five police textbooks (including the treatise on locks and safes entitled Locks, Safes, and Security). Marc has worked around the world in investigations involving security issues and the bypass of high security locks.