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Video and Audio

Videos and Audio from Guardian Investigations

Guardian Investigations: Licensed Private Investigators You Can Trust for Your Background Investigation Needs

Our private investigation agency offers a comprehensive range of investigative services. See a few of our specialties and how we can help your case:

In the News

Featured on WLINY: "How Safe Are Our Children on Long Island?"

Lead Licensed Private Investigator Matthew D. Seifer joined a roundtable discussion on WLINY to discuss the Feb 14th, 2018 mass shooting tragedy in Parkland, Florida, and what schools and communities need to do to keep children on Long Island safe.

Inside Edition: “What to Do if a Gunman Enters Your School”

Guardian Investigations was featured on February 28th, 2018’s Inside Edition on steps to take to help you survive if you are ever in an active shooter situation:

Newsday: “Mastic Beach: Former Official Ran Illegal Background Checks”

In September 2016, Guardian Investigations worked with the Village of Mastic Beach to conduct a 21-month investigation into the village’s filing system, where it was revealed that a former village employee posed as a police chief to obtain background checks on over 400 village residents.

Active Shooter Drill Exercise

Licensed Private Investigator Matthew D. Seifer Presents an Active Shooter Seminar and Drill Exercise for a local library on Long Island. Find out more how our security training division, Guardian Security Training, can provide active shooter training for your workplace, school, place of worship, or library.

Radio Segments

Our Lead Private Investigator Matthew D Seifer was featured on LINEWS Radio for two segments to discuss the recent increase in active shooter incidents and what you can do to survive:

  • How to Survive an Active Shooter Incident Part 1
  • How to Survive an Active Shooter Incident Part 2
  • Active Shooter Procedures for Schools

Media Inquiries

For Media Inquiries, please contact:

Guardian Investigations
940 Grand Blvd, Unit A, Deer Park, NY 11729

Get the answers you need: Speak to a Private Investigator from Guardian Investigations!

We are available 24/7 toll-free 1-888-698-0077


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