The officers ask simple questions:
"How are you today?"
"Where are you heading?"
"Is this all your property?"
"It's almost irrelevant what your answers are," Maccario said. "It's more relevant how you respond. Vague, evasive responses -- fear shows itself. When you do this long enough, you see it right away."
I wonder if they can guess your weight too. Airport security is retarded.