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Disclosure - Guidelines on Communications Evidence

Plain-English digest of CPS prosecution guidance.

All CPS guidance

AI-generated summary — not verbatim. This is a plain-English digest, not the official CPS text. It may omit detail or fall out of date. Do not rely on it for a charging decision — read the full guidance on cps.gov.uk and check the current legislation.

This guidance focuses on the significance of communications evidence between suspects, complainants, and witnesses in prosecutions, especially in cases of a sexual nature. It outlines the responsibilities of investigating officers and prosecutors to pursue reasonable lines of inquiry, consider potential evidence, and ensure appropriate handling of communication material. Key procedures for managing and disclosing this evidence are also detailed, including how to treat unused material and the ongoing nature of disclosure processes.

Key points

  • Communications evidence is critical for prosecuting cases, especially in personal relationships.
  • Investigators must pursue all reasonable lines of inquiry, including communication evidence.
  • Prosecutors should provide guidance on what constitutes a reasonable line of inquiry.
  • All relevant communication, even deleted, must be assessed in investigations.
  • Material that undermines the prosecution case must be disclosed prior to charging.

Public-interest factors

  • Protecting victims' rights.
  • Ensuring fair trials for defendants.
  • Promoting transparency in the prosecution process.
  • Maintaining public confidence in the justice system.
  • Safeguarding the integrity of criminal investigations.
Sexual OffencesAssaultDomestic AbuseFraudTheft
Read the full guidance on cps.gov.uk
Last reviewed: 3 August 2022 · Next review due: 3 February 2023

This is a factual digest of guidance published by the Crown Prosecution Service. Digested 2026-07-15. BlueLineHub is independent and not affiliated with the CPS.