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What Is Disclosure in an Ontario Criminal Case?

Disclosure is how you learn what the Crown’s case looks like on paper, video, and digital records. Not every file contains the same materials.

General information for Ontario only. Not legal advice. Outcomes depend on the facts of each case.

Disclosure is the package of case materials the Crown provides to the defence. It can include police reports, witness statements, video, audio, and digital records. Contents vary by investigation — not every case has the same items.

What is disclosure?

Disclosure is how the defence learns the investigative narrative and supporting materials. It is central before advising on resolution or trial.

What disclosure may contain

Absence of an item does not always mean it does not exist; sometimes materials arrive later.

Reviewing disclosure with counsel

Counsel looks for inconsistencies, missing context, Charter issues, and what the Crown must still prove. Self-review without legal framing can create false confidence or panic.

Supplemental disclosure

Files often produce additional disclosure over time. Decisions made too early — before key materials arrive — can be premature. Related reading: case timelines and the court process guide.

FAQ

What is disclosure?

Disclosure is the investigative and case material the Crown provides to the defence so the accused can know the case to meet.

When do I get it?

Often after charging, sometimes in stages. Delays vary by courthouse and complexity.

Should I review disclosure alone?

Review it with counsel. Context and legal issues are easy to miss without training.

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