The Supreme Court dismissed Fearon's appeal in a 4–3 decision. All seven justices of the Court agreed that cell phones without passcode protection have no less of a privacy interest than passcode-protected phones. However, the Court was split as to whether the common-law doctrine of search incident to arrest justified a search of the contents of a cell phone.
Majority A majority of the Supreme Court, led by
Cromwell J, affirmed the validity of the search incident to arrest framework as set out in
R v Caslake and
R v Golden. The majority found that the search of Fearon's cell phone was conducted subsequent to a lawful arrest and was truly incidental to the arrest, as it was conducted to locate the handgun, thus ensuring public safety; to locating the stolen jewelry, thus avoiding the loss of evidence; and to obtain evidence about the crime and any accomplices to the robbery. Next, the majority determined that the common-law doctrine of search incident to arrest—a power granting police the opportunity to conduct a search without a warrant or without reasonable and probable grounds—should be modified to comply with section 8 of the
Charter. The majority rejected an outright categorical prohibition on warrantless cell phone searches incident to arrest, finding that this would conflict with valid law enforcement objectives, including police and general public safety, and noting that a cell phone search is not necessarily a significant privacy invasion. The majority equally rejected a moderate approach that would require reasonable and probable grounds for a cell phone search incident to arrest, again finding that this would hamper and undermine law enforcement objectives. The majority also dismissed an approach that would allow cell phone searches incident to arrest only in exigent circumstances, finding that this would "effectively gut" police powers and would conflict with established Supreme Court jurisprudence on this issue. Instead, the majority proposed three modifications to the existing common-law framework. First, the nature and extent of the search must be truly incidental to arrest, thus allowing access only to information with a "necessary link" to the purpose of the search. Second, cell phone searches incident to arrest undertaken to discover evidence will be valid only if the investigation would be "stymied or significantly hampered" were it not for the search. Third, officers conducting cell phone searches incident to arrest must take comprehensive notes of the examination, detailing the purpose, extent and duration of the search as well as any applications accessed. The majority held that the evidence should not be excluded under section 24(2) of the
Charter, on the basis of the
Grant factors. Although the search of Fearon's phone impinged on his privacy, the breach was not particularly serious, and the police legitimately believed that they were acting reasonably and in good faith. The majority agreed with the trial judge's assessment that excluding the evidence would undermine the judiciary's truth-seeking function.
Dissent The dissenting judges, led by
Karakatsanis J, would have allowed the appeal. They found the search unconstitutional, holding that warrantless search of a cell phone incident to arrest is
prima facie unreasonable, as it is not authorized by law. The dissenting judges found a high expectation of privacy in cell phones, recognizing the immense data storage and retention capabilities of modern cell phones, the volume of metadata generated by cell phones, and the possibility that a search of a cell phone might access data stored in the
cloud, not on the cell phone itself. Quoting:"We live in a time of profound technological change and innovation. Developments in mobile communications and computing technology have revolutionized our daily lives. Individuals can, while walking down the street, converse with family on the other side of the world, browse vast stores of human knowledge and information over the Internet, or share a video, photograph or comment about their experiences with a legion of friends and followers."The devices which give us this freedom also generate immense stores of data about our movements and our lives. Ever-improving GPS technology even allows these devices to track the locations of their owners. Private digital devices record not only our core biographical information but our conversations, photos, browsing interests, purchase records, and leisure pursuits. Our digital footprint is often enough to reconstruct the events of our lives, our relationships with others, our likes and dislikes, our fears, hopes, opinions, beliefs and ideas. Our digital devices are windows to our inner private lives."Therefore, as technology changes, our law must also evolve so that modern mobile devices do not become the telescreens of George Orwell’s 1984." Under the dissenting judges' modification, the objective of protecting officer safety would justify a warrantless search only if the officer had a reasonable suspicion that the phone had been used to generate a threat to his safety. Likewise, the preservation of evidence objective would justify a warrantless search only in those cases where it was reasonable to believe that evidence was being destroyed and that a cell phone search could prevent this destruction. In any other, non-exigent circumstances, the dissenting judges held that a warrant would be required for the search. The dissenting judges would also have excluded the evidence under section 24(2) of the
Charter, on the basis of the seriousness of the breach of Fearon's substantial privacy interest in the contents of his cell phone. == Impact ==