Unlawful search and seizure is a significant issue in Canadian criminal law because it strikes at the heart of constitutional rights and personal privacy. The Canadian Charter of Rights and Freedoms protects individuals against unreasonable intrusions by the state, and when law enforcement crosses these boundaries, the consequences can be serious. Evidence obtained through an unlawful search may be excluded at trial, and in some cases, charges can be withdrawn or dismissed. Understanding what constitutes an unlawful search and seizure, the protections available under the Charter, and how courts address violations is critical for anyone navigating the justice system.
The Legal Foundation: Section 8 of the Charter
The right to be free from unlawful search and seizure is guaranteed by section 8 of the Canadian Charter of Rights and Freedoms. Section 8 states: “Everyone has the right to be secure against unreasonable search or seizure.”
This protection is meant to safeguard individual privacy while still allowing police to investigate and enforce the law. It requires a balance between the state’s interest in solving crime and the individual’s right to be free from intrusive government action.
What Makes a Search “Reasonable”?
Not all searches conducted by police are unlawful. Canadian courts have established that a reasonable search must meet three conditions:
- Authorized by law: There must be a legal basis for the search, such as a warrant or statutory authority.
- Law itself must be reasonable: The law allowing the search must not violate the Charter.
- Conducted reasonably: Even if authorized, the manner in which the search is carried out must be fair and proportionate.
If a search fails to meet any of these criteria, it may be deemed unlawful.
The Role of Warrants
In most cases, a lawful search requires a warrant issued by a judge. A warrant is granted when police demonstrate reasonable and probable grounds to believe evidence of a crime will be found in the place they want to search.
For example, police might apply for a warrant to search a home if they have evidence linking it to drug trafficking. The warrant will specify the location and items being sought, and police must stay within these limits. Searching beyond the scope of the warrant—such as seizing unrelated personal items—can render the search unlawful.
Warrantless Searches
Although warrants are the general rule, there are exceptions where police may conduct warrantless searches. These include:
- Search incident to arrest: Police may search a person and the immediate surroundings after making a lawful arrest to ensure officer safety and preserve evidence.
- Consent searches: If an individual voluntarily agrees to a search, no warrant is needed. However, the consent must be informed and freely given.
- Exigent circumstances: In emergencies where obtaining a warrant is impractical, police may search without one, such as when there is an immediate risk of harm or destruction of evidence.
When police act outside these exceptions, the search may be challenged as unlawful.
Examples of Unlawful Search and Seizure
Common situations where unlawful search and seizure claims arise include:
- Police entering a home without a warrant and without consent or emergency justification.
- Officers conducting an overly invasive search beyond what was permitted in the warrant.
- Searching electronic devices, such as smartphones or laptops, without proper legal authority.
- Conducting roadside vehicle searches without reasonable grounds.
- Obtaining consent through intimidation or misinformation, making it involuntary.
Consequences of Unlawful Search and Seizure
If a court finds that police conducted an unlawful search, the evidence obtained may be excluded under section 24(2) of the Charter. This exclusion is intended to protect the integrity of the justice system by preventing the state from benefiting from rights violations.
For example, if drugs are discovered during a warrantless and unjustified vehicle search, the evidence may be ruled inadmissible. Without that evidence, the prosecution’s case could collapse, leading to charges being withdrawn or dismissed.
The Importance of Privacy Rights
Canadian courts have consistently emphasized the importance of privacy rights in protecting individuals from unlawful state intrusion. The Supreme Court of Canada has held that section 8 exists to protect a “reasonable expectation of privacy.” This extends not only to homes and personal property but also to digital devices, which often contain highly sensitive personal information.
The recognition of privacy in the digital age has led courts to apply stricter standards to searches of phones, computers, and online accounts, requiring police to obtain proper warrants.
Remedies Available to Victims of Unlawful Searches
If you are the subject of an unlawful search and seizure, there are several potential remedies:
- Exclusion of evidence: Preventing unlawfully obtained evidence from being used in court.
- Stay of proceedings: In extreme cases, charges may be stayed due to rights violations.
- Civil actions: Individuals may pursue lawsuits for damages resulting from unlawful searches.
These remedies not only help individuals but also serve as a check on police power, reinforcing accountability and respect for constitutional rights.
How to Protect Your Rights
If approached by police, you can take steps to protect your rights:
- Ask if they have a warrant and request to see it.
- Clarify the scope of the warrant if one is presented.
- Do not consent to a search unless you fully understand your rights.
- Remain calm and avoid obstructing officers, as resistance could result in additional charges.
- Contact a criminal defence lawyer immediately if your property has been searched.
The Role of a Defence Lawyer
A criminal defence lawyer plays a crucial role in challenging unlawful searches. They can review whether the police had lawful authority, whether a warrant was valid, and whether your Charter rights were violated. If a breach occurred, they can argue for evidence to be excluded, potentially changing the outcome of the case.
Contact Us for a Free Consultation
If you believe you have been the victim of an unlawful search and seizure, it is critical to get legal advice right away. Contact us now to schedule a free, confidential consultation with De Boyrie Law.

Alex is a dedicated criminal defence lawyer serving Toronto and the GTA. He has experience handling a wide range of charges including bail hearings, assault, sexual offences, drug crimes, firearms, impaired driving, and more. Known for his professionalism, availability, and strong advocacy, Alex takes pride in guiding each client with care and consistency. If you’ve been charged with a criminal offence, we offer a free consultation so you can explore your legal options with no financial risk.
