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How to hire a private investigator
Decide what you want the pi to do.
Private investigators can track down all kinds of people and information, but their skills will vary. Some are good at following people or digging up information, while others can track down someone or something.
Before you start looking, you need to be clear about what kind of work you want the pi to do so you can find someone with the right skills and equipment. Pis can provide a variety of services, including background checks, tracking down child support or custody, providing electronic and video surveillance, or tracking down individuals.