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Old School PI. New School Tactics.
OSI is licensed in the State of Arizona, Bonded, and Insured.
The first 15 minute consultation is free and remains 100% confidential.
We are located in the Phoenix Metro Area but are licensed to operate state wide.
Old School Investigations Specialties:

Criminal Defense Investigations:
No case is too big and no client is too small. From simple offenses to homicides, we handle it all.

Process Service:
We have over 9 years of experince in Process Service and serving difficult to find individuals.
Old School Investigations is a member of the following associations:



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