Police officers who walk up an unobstructed path to the front door of a suburban dwelling and knock have an implied licence to do so under Halliday v Nevill, even where their purpose is to conduct police inquiries as part of a coordinated drug operation. The execution of a general search warrant after entry onto the land, when the officer has formed a reasonable suspicion (here, from the smell of cannabis upon the door being opened), does not retrospectively render the initial entry unlawful. Superfluous references to 'possession' in jury directions on a trafficking charge based on 'taking part in the process of sale' do not vitiate the conviction where the overall directions clearly focused on the correct elements.
The full text is available to signed-in members, including the 1 later case that cites this judgment.
1 of the 1 citing case carries a classified treatment. How each court treated it is available to signed-in members.