S A Y F Consulting Detective Services is a Chicago-based company specializing in a range of investigative services, including live scan ink fingerprinting, pepper spray self-defense presentations, and technical surveillance countermeasure bug detection technology. Led by founder Nelson Velazquez, a retired law enforcement lieutenant with extensive experience in private investigations, the company is committed to creating a safe environment for both residential and professional settings.
With a background in criminal justice and training from Research Electronics International, S A Y F Consulting offers comprehensive services such as criminal defense investigations, witness statements, surveillance, and background investigations. Their expertise in technical surveillance countermeasures ensures the detection of electronic bugs in residences, vehicles, and workplace offices. Dedicated to providing top-notch services, S A Y F Consulting is a trusted name in the field of detective services in Illinois.
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