As a material witness, he is being held to compel testimony.

He also expressed doubt about the commission's power to compel testimony.

The Council can compel testimony, but the committee chairman said he would not "waste a subpoena."

However, prosecutors failed to compel testimony before the grand jury from any of those witnesses, the papers say.

The amendment also provides the accused the right to compel testimony from witnesses, and to legal representation.

They can at least compel testimony under oath and possibly subject former officials to charges of perjury.

He will also have authority to compel testimony and documents.

Under the new Texas law, prosecutors were able to compel testimony by granting her immunity from prosecution.

And so they clearly wrote this to strengthen their position that you cannot compel testimony.

He said he would compel such testimony if necessary.