They have testified to the federal grand jury investigating the case.

But the officials were not indicted by the grand jury investigating the case.

A grand jury is investigating whether criminal charges should be brought.

A Federal grand jury is investigating the source of that pollution, officials said.

A Federal grand jury and the agency's inspector general have been investigating the matter for more than a year.

What we are saying is let a grand jury investigate.

The district attorney's office declines to say exactly what the grand jury is investigating.

He will become the first sitting President to appear before a criminal grand jury investigating his actions.

A grand jury in Albany investigated the matter but has brought no charges yet.

"If the conduct of a government agency is troubling, the grand jury should investigate."