Beyond that, sleep deprivation and various forms of harassment were used as investigative methods.

Prosecutors have many other investigative methods that do not penetrate the client-lawyer relationship.

The only change may have been in our investigative methods.

He was also called Bulldog because of his investigative method.

He said the act also extended to terrorism cases investigative methods already used against other criminals, like drug dealers and tax cheats.

Until 2005, Cooper's results had never been corroborated by modern investigative methods.

It does not by any means replace our traditional investigative methods.

He knew nothing of investigative methods, other than the basic job of asking questions.

None of his tried investigative methods seemed to help in this situation.

But they can be brutal and have not yet mastered investigative methods to replace the old one, torture.