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Professional Private Investigation Services in Downers Grove, IL
At Stealth Investigative, we pride ourselves on delivering meticulous and thorough investigative services. With over 13 years of operation and 25 years of combined industry experience, our team specializes in surveillance, background checks, and accident investigations. Our commitment to integrity and accuracy ensures clients receive reliable, court-ready evidence. Licensed in Illinois, Indiana, Michigan, and Wisconsin, we serve the Chicago Metropolitan Area and St.

Louis, Missouri. Our 95% success rate in process service and proven track record in complex cases underscore our dedication to excellence. We guarantee direct access to the owner for personalized attention and maintain strict compliance with legal standards to protect our clients' interests.
Services
Surveillance Background Checks Accident Investigation Process Service Domestic Investigations Audio/Video Sweeping Student Residency Checks Insurance Claims Witness Interviews
Highlights and features
  • We offer over 25 years of investigative experience in workers' comp and liability cases.
  • Our 95% delivery rate in process service ensures reliable legal document handling.
  • Licensed in four Midwestern states for comprehensive regional coverage.
  • We guarantee direct access to the owner for urgent client needs.
  • Our analytical approach secures court-ready evidence with 80%+ video success rates.
Services
Surveillance
Our covert surveillance services utilize advanced technology to gather video evidence in infidelity, workers' compensation, and liability cases. Investigators with 25+ years of experience maintain 80%+ video capture rates while adhering to strict legal protocols. This service supports insurance companies, law firms, and private clients seeking verifiable documentation for litigation or personal matters.
Background Checks
We conduct comprehensive background investigations using exclusive databases and social media analysis to verify employment history, criminal records, and personal conduct. Our services help businesses prevent litigation through thorough due diligence on potential hires or business partners. Reports include actionable insights derived from 13 years of investigative expertise.
Accident Investigation
Our team documents vehicular and personal injury accidents through photographic evidence, witness interviews, and scene analysis. Investigators with specialized training reconstruct events to support insurance claims or legal proceedings. Clients receive detailed reports that clarify liability and strengthen case positions in litigation.
Process Service
We provide reliable legal document delivery with a 95% success rate, including skip-tracing for evasive recipients. Our service guarantees 48-hour turnaround for urgent filings while maintaining strict chain-of-custody protocols. Law firms rely on our precise execution of summons, subpoenas, and other court documents.
Audio/Video Sweeping
Using specialized equipment like the Protect 1207i, we detect hidden surveillance devices in homes, vehicles, or offices. Our sweeps identify Bluetooth, Wi-Fi, and cellular transmissions that standard bug detectors might miss. This service protects corporate trade secrets and personal privacy with technical precision.
People
Donald Scott
Owner
Donald Scott, licensed private investigator with 25+ years of experience, founded Stealth Investigative 13 years ago. Specializing in workers' comp surveillance, he oversees operations across four Midwestern states while maintaining direct client accessibility.
Questions
What investigative services do you specialize in?
We specialize in surveillance, background checks, accident investigations, process service, and audio/video security sweeps for both corporate and private clients.
Which areas do you serve?
We operate throughout the Chicago Metropolitan Area, St. Louis, and the states of Illinois, Indiana, Michigan, and Wisconsin.
How experienced is your team?
Our investigators have 25+ combined years of experience with a 13-year track record of litigation-free operations and 95% process service success.
Can you handle urgent process service requests?
Yes, we guarantee 48-hour turnaround for legal document delivery using skip-tracing when addresses are outdated or incomplete.
How do you ensure investigation accuracy?
We follow a 'locate, confirm, verify' methodology with court-ready evidence collection and 80%+ video capture rates in surveillance cases.