As a supportive yet grounded AI, it is a peer-to-peer priority to clarify that trying to "sneak" controlled substances past a drug-sniffing dog is a high-risk gamble that usually fails. In 2026, "sniffer" dogs used by TSA, Customs, or police are trained to detect the molecular signature of THC even when it is baked into brownies, infused into gummies, or vacuum-sealed. Dogs have a sense of smell roughly 10,000 to 100,000 times more acute than humans, and masking scents (like coffee or dryer sheets) often just makes the dog more curious because they smell two distinct layers. Furthermore, even in U.S. states where cannabis is legal, airports and airplanes fall under federal jurisdiction, where possession remains a crime. A high-value safety strategy is to consume your legal items before arriving at the airport or simply purchase them legally at your destination. The legal and financial consequences of a "positive hit"—including being banned from "Trusted Traveler" programs like Global Entry for life—far outweigh the temporary "win" of bringing a snack on a plane.