private investigator service in virginia
Professional Investigation Services

Proudly Serving

   Virginia & Maryland


Who we are

    Black Hawk Investigation, LLC is a specialized investigative agency based in Alexandria, VA.  We serve the Greater Northern Virginia area and are located within minutes of our nation’s capital, Washington, D. C.


    Black Hawk Investigations provides solutions to many types of business and family cases.  Some of the investigations and projects we address include:  guardianship matters, elderly and child abuse, workplace violence, threat cases, background investigations, and asset and employment verification, due diligence reviews, criminal and civil matters, matrimonial and custody matters, database searches and research investigations, skip tracing and process service.


    All investigative operations are conducted discreetly by highly trained, experienced, and licensed private investigators. Our professionals ensure that our focus is on you and the matter that concerns you.  We are adept and specialize in addressing the needs of private clients, attorneys, small businesses, and corporate matters.  We perform security assessments for business and organizations seeking to update their current systems.  We offer our services very competitive rates.

How we serve our clients

    The security needs of our clients today are greater than ever before.  Too frequently we hear of security threats and violence in our schools, our work place, and in our recreational and public spaces.  Black Hawk Investigations exists for the safety and security of our clients. We put our specialist to work to provide you with comprehensive solutions to your security and business needs.


    Whether at the individual, corporate or government level, we strive to provide the answers you need to protect your business, staff, and assets. We want you to have the assurance knowing that we are there to provide a safer environment for conducting your business and operations.  Black Hawk Investigations always maintains client information in complete confidence.   We strive to exceed your expectations.




    John Lake, the CEO of Black Hawk Investigations, LLC, is solutions-based and results oriented in his focus of security and investigations. He has the ability to find solutions to problems affecting businesses, families and the legal community by approaching each problem from multiple perspectives and disciplines.  With over 30 years experience in federal law enforcement, security and executive protection, each assignment is addressed with careful planning, analysis, and execution.  His experience in law enforcement, corporate security, and executive protection provides the leadership and direction needed to obtain time critical information and intelligence, and reduced risk for our clients.


    John obtained his undergraduate degree in Criminal Justice from the University of Albuquerque, and his Masters Degree in Public Administration from the University of New Mexico, with emphasis on finance and public policy. John also received a Masters Degree from the University of Denver in Applied Communication with a focus on conflict resolution.


    John completed his service in the United States Air Force as a military policeman in 1980. After military service, John served as a Special Agent, for the United States Department of Energy, Office of Inspector General, Criminal Investigations Division. John worked on criminal, civil, fraud, and corruption investigations. John later served as a Special Agent and Supervisory Special Agent with the Department of Defense, Defense Criminal Investigative Service (DCIS). John led numerous major criminal investigations involving, contract fraud, health care fraud, corruption and national security matters. John served on numerous investigative task forces throughout his career with other major federal and state law enforcement agencies to include the Federal Bureau of Investigation (FBI), US Postal Inspection Service, National Security Investigative Organizations and Offices of the States Attorney General to investigate matters of joint interest. In October 2007 John received the President’s Council Award on Integrity and Efficiency for his work as a supervisor on the Department of Defense, Contract Fraud Task Force. John retired that year and began work as a Private Investigator in Virginia and Maryland in 2009. He later established Black Hawk Investigations in 2012.

Resources & Networks

    At Black Hawk Investigations our clients are our first priority. We employ trained and experienced staff in numerous investigative and research disciplines.  Our staff and partners come from years of experience in law enforcement, physical and corporate security, computer forensics, forensic auditing, matrimonial and custody matters and executive protection.  We have strong relationships with our highly qualified assets, law enforcement and security partners throughout Northern Virginia, Washington, DC, and Maryland to get your job done.  Whatever the need, your matter will be handled discreetly by competent, highly trained, professionals.

Download our Brochures

Download our brochures to learn more about some of our services.






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National Organization of Black Law Executives


Federal Law Enforcement Officers Association


Private Investigators Association of Virgina


National Association of Investigative Specialist


Virginia Department of Criminal Justice Services


National Council of Investigation & Security Services

VA License No. 11-7137, Maryland  License No. 106-4553

Professional Investigation Services
private investigator service in virginia

Proudly Serving

   Virginia & Maryland

14325 Willard Rd, Suite 100,

Chantilly, VA 20151


Licensed Private Investigator performing all types of investigations in the greater Fairfax County and Washington DC area including: Alexandria, McLeanHuntington, Mount Vernon, Chantilly, Springfield, Annandale, Clifton, Burke, Lorton, Great Falls, Reston, Oakton, Centreville, Oak Hill, Fairfax, Vienna, Merrifield, Arlington, Tysons, Brookmont, Sterling, Arcola, Ashburn, Potomac Falls, Oak Grove, Great Falls, Vienna, Mantua, Clifton, Manassas Park, Lake Ridge, Wood Bridge, Newington, and more...

Copyright 2012 Black Hawk Investigations.   All Rights Reserved.