However, this testimony cannot later be used against the person in another case.

We'll need to interview them and see if we can use their testimony to strengthen our case.

Such a deal would bar prosecutors from using their testimony against them.

Their main fear, the insiders say, is that any such testimony could later be used against them.

His testimony was used against the use of the electric chair for the death penalty.

Weiss is seeking to use King's testimony in the first trial against him this time.

Under that immunity grant, testimony from the colonel could not be used against him.

It is somewhat unusual because their testimony could have been used against them.

Yet, the Commission said, her testimony was nevertheless used.

But his testimony before the Congressional committees cannot be used in the trial because it was given under a grant of immunity.