Gunnar Investigative Group is a private investigation agency based in the Hudson Valley of New York State, headed by Lenny Zapka. With over 30 years of law enforcement experience serving with the NYPD and City of Newburgh Police Detective Division, Lenny has also completed training in criminal law, anti-terrorism, personnel management, executive protection, emergency management, and is certified as a police instructor. Lenny leads our team of qualified, experienced, and professional investigators, all of whom have experience with the NYPD, NYS Police,and other major agencies.
Gunnar Investigative Group serves private individuals, small businesses, law firms, insurance companies, municipalities, school districts, and corporate and industrial clients in Ulster County, Dutchess County, Greene County, Orange County, Sullivan County, and throughout the Hudson Valley.
Criminal Investigations
Civil Investigations
Missing Persons
Background Checks
Surveillance
Identity Theft
Accident Investigations
School District Residency Investigations
Marital and Divorce
Legal support services
Insurance investigations
Background checks
Internal investigations
Locating and interviewing witnesses
Professional Drone Services


