As a result, it became the target of a Congressional investigation.

Congressional investigations have cost at least an additional $10 million.

A Congressional investigation followed, but could not change the selection.

The articles led to the opening of a major Congressional investigation into the blood industry late last year.

He accomplished this by among other things asking for a Congressional investigation.

I'd like to think a Congressional investigation has to have some standards, too.

His case was part of a 1991 congressional investigation into medical abuse in prisons.

Now the pressure for a full Congressional investigation grew irresistible.

Congress is allowed to investigate almost all issues, most Congressional investigations produce a report.

A congressional investigation into the killing was scheduled for September 1997.