2911 North Cicero Avenue, Chicago, Illinois 60641, United States
S A Y F Consulting & detective services, IL. lic#115.002711
S A Y F Consulting "IS OUR BUSINESS"
Welcome
Welcome to S A Y F Consulting & Detective Services. We provide services that contribute to a safe environment to live and work. The services provided include the following:
- Live Scan & Ink fingerprinting Services
- Pepper Spray self-defense presentation
- Technical Surveillance Counter Measure (TSCM) bug detection technology which include Electronic Bug Detection of residence, Electronic Bug Detection of vehicles, Electronic Bug Detection of workplace offices
- Criminal Defense Investigations
- Witness Statements
- Surveillance
- Background Investigations
So, take your time, look around, and learn all there is to know about us. We hope you enjoy our site and take a moment to drop us a line.
About Us
The founder of S A Y F Consulting & Detective Services, Nelson Velazquez, retired from Law Enforcement at the rank of Lieutenant. Nelson earned a Bachelor’s Degree in Liberal Arts and a Masters Degree in Criminal Justice.
Since retiring from law enforcement, Nelson has gained an extensive amount of experience in the private sector working on private investigations (workers' compensation investigations, domestic investigations, slip & fall investigations, criminal defense investigations, witness statements, and technical surveillance countermeasure/electronic bug detection).
Nelson has attended training at Research Electronics International (REI). REI is a recognized leader in Technical Surveillance Counter Measure (TSCM) technology. REI's technical security training courses are designed to teach the basic and advanced procedural concepts of conducting technical surveillance counter measures (TSCM) investigations. REI's training topics included hands-on exercises, using state-of-the-art TSCM equipment in dedicated project rooms that simulate threat scenarios. Threats include RF transmitters with analog and digital modulation techniques, hidden cameras, tapped telephone and LAN lines, infrared, and carrier current.
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