4 ms·
When people get nervous they sometimes touch there nose. Security officers are trained to notice these things. So maybe you touched your nose or did some other
by ohwp 14y ago
When people get nervous they sometimes touch there nose. Security officers are trained to notice these things. So maybe you touched your nose or did some other simple thing that got noticed.
But there are also just random checks to make it very difficult to predict when or when not you are checked.