Sam sniffs out £6m hidden drug cache
13 June 2013 Last updated at 15:41 BST
A self-employed courier from Northern Ireland has been jailed for seven years for smuggling ecstasy tablets discovered in his car in Paisley.
A £6m of cache of hidden cocaine was also missed by customs officials in France and England but not by a sniffer dog called Sam.
BBC Scotland's home affairs correspondent Reevel Alderson has the story.