They're quite inaccurate in fact. They barely have a 50% ratio. https://www.washingtonpost.com/news/the-watch/wp/2015/08/04/federal-appeals-court-drug-dog-thats

They're quite inaccurate in fact. They barely have a 50% ratio. https://www.washingtonpost.com/news/the-watch/wp/2015/08/04/federal-appeals-court-drug-dog-thats-barely-more-accurate-than-a-coin-flip-is-good-enough/ https://www.washingtonpost.com/news/the-watch/wp/2015/08/04/...