AdvertisementKeeping Bees Safe: It's A Ruff Job, But This Doggy Detective Gets It DoneApril 28, 2016Jodi HelmerfacebookEmailCybil Preston, chief apiary inspector for the Maryland Department of Agriculture, does a training run with Mack: She sets up fake beehives and commands him to "find." He sniffs each of them to check for American foulbrood. He has been trained to sit to notify Preston if he detects the disease. (NPR)