Three days later, we woke up to find both our cars being towed. No notice. No warning. Just Lindsey on the sidewalk in a bathrobe, grinning like she’d won.What she didn’t know? Both cars were marked federal vehicles. We were undercover agents.

The next morning, a black SUV rolled up. A man in a suit rang her doorbell and calmly explained: she’d just interfered with a federal operation—and would be liable for $25,000 in damages.Lindsey’s mug slipped from her hands and shattered.We turned and walked away.“Next time,” I told her, “maybe just bake the cookies and leave it at that.”