How does a court or jury verify that this happened and that it’s true?
EXACTLY! There was a time, long ago and far away, that your local PD, might have been given the benefit of the doubt. Today, NO MORE. Courts should rule that K9s cannot be used to initiate seaches, but I've lost faith in courts to uphold civil rights.
The leftist termites have burrowed their way into so many aspects of governance that the whole system is tottering, on the edge of collapse.
The ‘word’ of a DOG should NEVER be considered ‘probable cause’...NEVER! Too many lives are being ruined by ‘sniffer dogs’.