North American Security and Investigations, Inc. ("NASI") is a full-service firm that fulfills all types of investigative assignments, including field investigative services in the areas of general liability, workers' compensation (both AOE/COE and sub-rosa), automobile collision investigations & reconstructions, due diligence work for law firms, and personnel investigations for numerous clients. NASI's principals have over 90 years of combined experience in conducting or supervising all aspects of the investigative arena.
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NASI can be distinguished from other investigation firms through several factors. NASI principals have a breadth of experience and expertise in conducting field surveillance in the City of Los Angeles through their many years of distinguished service as high-ranking Los Angeles Police Department command staff officers, and now utilize this experience in the private sector throughout the United States.