The public script is familiar: Terrorists come from faraway places. Threats wear brown skin. And America, brave and watchful, guards its gates. But behind the curtain, another truth— One not whispered, but documented, livestreamed, tagged and geo-located. The real killers walk in through customs with clean boots and dead eyes. You want to see danger? Look at the grinning IDF veteran stepping off a Delta flight from Tel Aviv, his phone still filled with photos of burned Gazan children,