After being honorably discharged from the US Marine Corps in 1970, David returned home to New Hampshire, where he currently resides.   In 1971, he continued wearing UNIFORMS and was appointed into the NH State Police. He earned a degree in Criminology.  During his tenure, he was selected to represent New England in a special 13 week intense training course at the FBI National Academy in Quantico, Virginia.

After his law enforcement career, David opened a Private Investigative/Security Agency and Consulting Firm. He is certified as an International Investigator and Fraud Consultant.  His investigative/security experience and knowledge is second to none.  He is qualified as an Expert Witness and has written numerous articles on how to conduct investigations in the private sector.

David is a proud member of the NH Retired Law Enforcement Association (Life Member), Veterans of Foreign Wars( VFW) (Life Member), The American Legion, Marine Corps Association, Marine Corps League, ASIS International, INTELLENET and the NRA.