If you’re a witness for the prosecution
Before you give your evidence, and while you’re waiting in the witness waiting area, the CPS prosecutor or someone else from the prosecution team will speak with you about the case. They’ll be dressed for court and may be wearing a wig and gown.

If you’re a witness for the defence
If you’re a witness for the defence, the defence lawyer or someone from the defence team will visit you in the waiting area before you give evidence.