What was the conclusion of the Supreme Court in Florida v. Harris regarding K9 performance records?

In the case of Florida v. Harris, the Supreme Court addressed the reliability of K9 performance records in the context of determining probable cause for searches based on a dog’s alert. The ruling highlighted that while K9 units can be a valuable tool in law enforcement, the performance records of these dogs do not provide definitive proof of reliability on their own. The Court emphasized that there should be a careful examination of the totality of the circumstances, including the training and performance history of the dog, to evaluate whether the alert can be considered a reliable indicator of narcotics presence. Thus, the judgement signifies that K9 alerts should not be viewed as an absolute confirmation of evidence, but rather, the reliability of such alerts may vary.