It’s likely that at some point in your life, while you were out shopping at your favorite store, you were standing next to a fake customer. An imposter. These people are called mystery shoppers, and they act as quality control for many stores by pretending to be normal customers, and then reporting what they saw. In this episode, we talk to an original mystery shopper. Susan tells us all about the secret life of mystery shoppers, which includes disguises, deception, and even a chase scene.