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About Us
We're a group of industry recognized private investigation experts who believe in exceeding expectations to satisfy our clients

Meet Dave

Dave Abdo
Owner of Cavalier Security Services
United States Air Force Veteran
Being a professional Private Investigator I am filling an essential role in society by conducting specialized investigations and gathering crucial information that may not be accessible through conventional means. I utilize expertise and resources to uncover the truth, resolve complex issues, and assist in legal proceedings. I can provide a valuable service by offering personalized attention, maintaining confidentiality, and filling the gaps where law enforcement agencies may not have the capacity or resources to focus on specific cases.
I am the founder of two Private Investigation firms. PHYLEO, LLC in 2006 and after relocating to southern Virginia from northern Virginia, Cavalier Security Services in 2020. I am a licensed Private Investigator and Compliance Officer with the Department of Criminal Justice Services (DCJS) of Virginia. My teams have investigated multiple cases, dozens of which led to arrests or convictions. After many years of experience, I am providing a summary of my experiences and knowledge of this critical field to better serve clients and their many needs.
Senior Private Investigator and Owner PHYLEO LLC 2006 - 2020
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Conducted data-driven investigations on 30+ fraud cases per year, fully substantiating claims and recovering over $2M+ in misused funds.
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Streamlined surveillance operations by leveraging modern tech tools, achieving a thirty five percent increase in efficiency and 30% in cost savings.
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Established an effective internal process for evidence collection; Reduced case resolution time by 20% without compromising quality.
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Led a multidisciplinary team of eight investigators, achieving a 98% success rate in skip tracing operations.
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Developed and presented 55+ detailed reports to clients highlighting findings, contributing significantly to a 90% client retention rate.
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Testified in court trials/hearings on behalf of client attorneys.
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Conducted over 250 comprehensive background checks for multiple clients, for potential hires, and criminal backgrounds, maintaining 100% accuracy and improving hiring process for the clients.
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Managed extremely sensitive investigations on intellectual property rights, safeguarding company ideas and patent rights.
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Implemented robust security operations protocols, reducing incidents by 70% and improving overall safety.
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Worked with local authorities, supporting and carrying out criminal investigations.
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Contributed to fact-finding for 30+ case files all within legal guidelines.
Senior Private Investigator and Owner Cavalier Security Services LLC 2020 - Present
EDUCATION - Master of Science Degree - Computer Information Systems LaSalle University
CERTIFICATIONS
CSIRC – Risk and Information Systems Control (ISACA)
PSC – Physical Security (CDSE)
Physical Security Professional (PSP) ASIS International
SKILLS - Investigation Techniques: Surveillance, Background Checks, Fraud Investigation, Criminal Investigations, Civil Investigations, Litigation Support
Professional Associations
National Association of Investigative Specialists, the American Veterans Association, the Electronic Security Association, the Virginia Department of Criminal Justice Services, the Virginia Crime Prevention Association, and the Private Investigators Association of Virginia.
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