Aluminum Suitcase Are There Dogs At The Airport Who Sniff Out Your Suitcase When You Check It In?

Are there dogs at the airport who sniff out your suitcase when you check it in? - aluminum suitcase

I'm going to Florida soon be here and try a way to find some ganja with me. I do not know if her dog sniff to have the baggage or not. I've heard that traps the odor of the film, is that true? Please help! I need to know!