adverse witness
hostile witness

I was trying to figure out a way to get information from a hostile witness.

In any case, he was now a hostile witness, to say the least.

I will have to handle her as a hostile witness.

The defense is expected to recall her today as a hostile witness.

He felt more like a hostile witness than a key investigator.

I've seen Gomez do his thing in court with hostile witnesses, just like this.

The lawyer may then ask the court to declare the person he or she has called to the stand a hostile witness.

Who among us hasn't taken advantage of a hostile witness?

But such questions with an obviously hostile witness have a way of imploding.

A hostile witness may be cross-examined by the party calling him.