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Criminal Law Guide

What is disclosure in a criminal case?

Disclosure is the prosecution material provided to the accused so the defence can understand and answer the case.

Legal information reviewed · September 10, 2026

Disclosure is the prosecution material provided to the accused so the defence can understand and answer the case.

General information only. The correct legal response depends on the documents, facts and current law. This page is not legal advice.

The starting point

Depending on the case, disclosure can include police notes, witness statements, photographs, video, audio, expert material, records and other information. What exists varies significantly from file to file.

What to be careful about

Receiving disclosure is not the same as accepting the allegations as true. Defence counsel reviews what the material proves, what may be missing, whether additional disclosure should be requested and what legal or evidentiary issues arise.

How a lawyer can assess the issue

A useful review compares the disclosure with the client's account, identifies contradictions or gaps, considers admissibility and Charter issues where applicable, and evaluates realistic resolution and trial options.

Current Ontario context

Keep disclosure private and follow any restrictions attached to it. Ask counsel before sharing or publishing material from the criminal file.

Before a consultation

Bring the documents that control the issue and a short chronology of important dates. Avoid sending original documents or unnecessary sensitive information through a general website form.