They testified before the committee, and prosecutors later used their testimony against them in their trials.

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

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

They cannot use Tony's testimony to charge him.

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

It later offered witnesses limited assurances that it would not use their testimony against them.

She talked to the television show Hard Copy for $5,000, after which prosecutors declined to use her testimony at trial.

When the case is looked at in this light, then is quite easily open-and-shut - even using Suarez's testimony alone.

A civil rights prosecution could delve into issues of racial profiling, using the officers' own testimony against them, he said.

The prosecution uses his testimony against King and Steve because he is receiving a smaller sentence.