Look, motherfuckers, just because you can't tell the difference between a circuit board and a waterboard doesn't mean the bomb squad is allowed to be equally ignorant. If you seriously think nearly gunning this girl down constitutes security then you're a big, big part of the reason this country is so fucked up right now.
Star, you're an engineer who builds real-world devices to empower people. Did it seriously not occur to you to consider the environment you'd be wearing this sweatshirt in? Christ. Please, please use your whole brain next time.