D & J International Investigations
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About Us
The owner, David L. Hearn served over 22 years (1968-1991) with the New York City Police Department.
Mr. Hearn's extensive experience as a New York City Detective 2nd Grade covers a wide range of law enforcement techniques and expertise.
Special Events Squad
Street Patrol
Organized Crime Control Bureau
Arson & Explosion Squad
Homicide Squad
Sex Crimes
Nikon Photography School
Kidnapping Seminar
Colt and Homicide School
International Law Enforcement Association
New York State Fire Academy
Captain of 350 member Bethpage, NY Fire Department
Professional Memberships
New York City Police Department Detective Endowment Association
International Police Association
Honor Legion N.Y. City Police Department
National Association of Investigative Specialists
IAAI - International Association of Arson Investigators
NFPA - National Fire Protection Association
SOFI - Society of Field Inspectors
ASIS - American Society For Industrial Security
NCISS- National Council Of Investigation & Security Services
Arizona License # 1003859
