Canada’s core criminal law is federal and is largely found in the Criminal Code and related statutes. Provinces and territories administer many courts, police services, correctional systems, and prosecutions within this national framework. A criminal case often begins with a report, investigation, or police observation. Police gather evidence and may question people, seek judicial authorization, detain a suspect, or lay charges according to the applicable process. The Canadian Charter of Rights and Freedoms protects people during criminal investigations. Important protections concern unreasonable search, arbitrary detention, reasons for arrest or detention, access to counsel, and fair proceedings. After a charge, the accused receives information about the alleged offence and appears before a court. Release may occur with conditions, while detention before trial requires a lawful decision under the bail system. The prosecution is conducted by the Crown, not by the person who reported the event. The Crown must prove every required element of the offence beyond a reasonable doubt, and the accused is presumed innocent. Some offences follow different procedural routes depending on their classification and the Crown’s choice. The route can affect the court, available procedures, and possible consequences. Evidence may include witness accounts, documents, objects, recordings, expert opinions, and digital information. Courts decide whether evidence is admissible and what weight it deserves. A case may end through withdrawal, diversion where available, a guilty plea, a trial decision, or another authorized resolution. A plea should be informed, voluntary, and based on an understanding of its consequences. Sentencing can pursue objectives such as accountability, deterrence, rehabilitation, reparation, and public safety. Outcomes may include discharge where legally available, probation, fines, community-based sanctions, or imprisonment. Criminal proceedings can protect the public and test allegations through a fair process, but they may deeply affect liberty, employment, travel, family life, and immigration status. Early legal advice is therefore especially important.
Criminal law in Canada
Criminal law in Canada defines offences, investigations, trials, and sentences. Most core criminal rules are federal, while provinces and territories administer much of the court system and prosecutions. An accused person is presumed innocent and has important protections throughout the process.
Tip
If police detain or arrest you in Canada, stay calm, do not resist, and clearly ask why you are being detained and to speak with a lawyer. Preserve all papers and obey release or court conditions until a court changes them. A witness or victim should also keep accurate records and seek safety or support when needed.

