The grand jury subpoenas went out, and the recipients were eager to know who else was on the list.

There have been efforts by some persons and entities to challenge grand jury subpoenas.

Agents have conducted 5,000 interviews and served more than 1,700 grand jury subpoenas.

The two are not under criminal investigation, but grand jury subpoenas have been issued that involve them, the sources said.

All these safeguards are more than exist now for federal grand jury subpoenas.

He understood now: she had been served with a grand jury subpoena.

In contrast, when records, including library data, were sought by ordinary grand jury subpoena, no judge was involved.

"I can have a grand jury subpoena at your house this evening, but I really don't think that's going to be necessary."

We had nothing to do with the grand jury subpoenas, you understand?

"I'll be back in two days with a grand jury subpoena," he yelled.