This was the beginning of the Fraud Discovery Institute, a for-profit investigative firm.

The maneuver was foiled with the assistance of a private investigative firm hired by the newspaper.

HP confirmed that the investigative firm they hired used pretexting to obtain information on the call records of the directors.

One way for boards to obtain background information on a prospective purchaser is to hire an investigative firm.

Kroll, The largest and best known investigative firm, is the paragon of the new industry.

As Kroll became the leading investigative firm for takeovers in the 1980's, revenues grew fortyfold.

We hurried to Brazil, and found three of the best private investigative firms in the country.

He had been unable to reach agreement with other investigative firms.

He left DSFX early this year and works for another investigative firm.

She had begun discreet inquiries, hiring a local private investigative firm to that end.