Most states require professional private investigators to be licensed. Usually, a dedicated PI licensing board operates under ...

A principal investigator (PI) at Purdue University is typically a member of the faculty who bears primary responsibility for the intellectual leadership and integrity of a project. The PI accepts ...

A Connecticut private investigator has revealed a pattern he often observes in men who cheat on their partners ...

How do I become a Principal Investigator? If you currently have funding ... to submit proposals through the SETI Institute to government funding agencies, private foundations, and private partners.

Five years on, she now has 15 people working for her, as well as a network of private investigators, in the UK and the US. We spoke to Jane about being a PI, the fascinating cases she's worked on ...