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Systematic Inquiry Group is led by veteran private detective Michael Wojtanowicz, J.D., a corporate security expert with over 25 years of experience. Michael is a Juris Doctor and Licensed Private Detective who has acted as a National Security Director of a 400-unit nationwide restaurant chain.

Years of investigating cases in the food service industry have given him a greater level of insight into the problems faced by restaurant owners, from employee theft to workers’ comp fraud. He has put his specialized knowledge of the specific challenges facing the restaurant industry to work by creating the Food Cost Program, an annual, semi-annual, or quarterly program that can help restaurant owners reduce food costs and improve security.

SIG is a member of the American Society for Industrial Security, the California Association of Legal Investigators, and the Association of Certified Fraud Examiners.

Our areas of expertise include:

  • Background Services
  • Interviewing and Statements
  • Surveillance and Asset Searches
  • Undercover Operations
  • Skip Tracing
  • Electronic Surveillance
  • Expert Witness on Counter Surveillance

Business Owners Need To Know

employee theft costs U.S. businesses $50 billion per year
$ 1 B


small business lose $25,000 to $33,000 every minute to shoplifters
$ 1

University of Florida

64% of all small businesses fall victim to employee theft
0 %


according to the bureau of labor statistics, 500 U.S. workers were workplace homicide victims in 2016


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We are located at: 1442 E. LINCOLN AVE. SUITE 357 ORANGE, CA 92865

CALL NOW: 714-367-4261