In the fall of 1989, investigators from several Government agencies interrogated Christopher P. Drogoul, the outgoing banker who ran Banca Lavoro's Atlanta office.

Here in Karachi, investigators have been interrogating Sheik Gilani since Wednesday.

Like lawyers in court cases, Congressional investigators normally interrogate witnesses in private before their public sessions so that the public questioning will go as smoothly as possible.

Legal experts said that investigators, at the behest of prosecutors, almost never interrogate officers involved in fatal shootings, even if criminal conduct is suspected, because doing so might grant a form of immunity and jeopardize prosecutions.

A breakthrough in the financial transactions may have come Monday when investigators interrogated Albert Hakim, an Iranian-American businessman who is said to have played a leading role in the transactions, in Paris.

When Lord Luton's four investigators reassembled to report their findings he listened firm-lipped to their distressing news and interrogated each: "Did you reach the conclusion by yourself?"

The special investigator, who reports to the city's investigations commissioner but not to the Board of Education, can subpoena witnesses, interrogate them and draw up public reports alleging wrongdoing.

The main concept of the movie is that a paranormal investigator, Mason Temple (played by Bob Gorman), is interrogating Gwar members about the coming of the comet RagNaRok.

Like prosecutors, Congressional investigators interrogate witnesses at length in private before asking them to give public testimony.

Mr. Linkov complained that investigators never interrogated the political leaders who had clashed with Ms. Starovoitova.