CPS Guidance for Experts

CPS Guidance for Experts on Disclosure, Unused Material and Case Management

The instructions contained in this guidance are designed to provide a practical guide to preparing expert evidence and to provide guidance on the disclosure obligations of expert witnesses instructed by the investigator and/or the Crown Prosecution Service (the Prosecution Team). These instructions will assist expert witnesses, investigators and prosecutors to perform their duties effectively fairly and justly, which is vitally important to the integrity of the criminal justice system.

The considered application of this guidance and appropriate management of the materials within the investigation by experts will enhance their credibility and promote confidence in the role of the expert witness within the prosecution process.

This guidance reflects the commitment of the Prosecution Team to working alongside expert witnesses and other agencies to ensure that case management and disclosure requirements are complied with fairly and properly.