The trade ‑ off for
permitting the
police to deploy their dogs on a «reasonable suspicion» standard without a warrant is that if this procedure is abused and sniffer ‑ dog searches proceed without reasonable suspicion based on objective facts, the consequence could well tip the balance against the admission of the
evidence if it is established under s. 24 (2) of the Charter that, having regard to all the circumstances, the admission of it in the proceedings would bring the administration of justice into disrepute.