516.338.2840
Interstate Security - Long Island's Top security training school, Security guard company and private investigation firm.
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Investigation Services

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Surveillance

Our team of consists of male and female investigators who are trained to conduct discrete surveillance. Interstate Security & Investigations frequently updates and utilizes top of the line surveillance equipment to get results. Surveillance is typically used for cases such as:

- Infidelity/Catch a cheating spouse
- Child Custody
- Various domestic cases
- Workers Compensation
- Employment verification
- Workplace investigations, vandalism, etc.

Background Checks

With the use of public records, trademarked databases and other resources, Interstate Security completes comprehensive background checks including information such as:
- Address Verification
- DMV records
- Bankruptcies
- Employer Verification
- Civil Court History
- Family History
- Real Estate ownership
- Criminal History

Hidden Assets
Financial history
Judgments/Liens
Professional license verification

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Online Investigations

Hacking Investigations
Financial Fraud
Cyber Bullying/Harassment
Computer Forensics
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Additional Services

Missing persons search
Polygraph/Lie Detection
Personal Injury
Corporate Investigations
Professional Interrogations
Child Custody Investigations
Insurance Fraud
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