Videos and Audio from Radius Investigations
Radius 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:
Child Custody
Litigation Support
Employee Background Checks
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”
Radius 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, Radius 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
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Radius Investigations
150 Motor Parkway, Suite LL20, Hauppauge, NY 11788
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