It is a terrible ordeal, but for all of the other factors brought up the critical factor is that he set off an explosion detector (and clearly it doesn't get false positives often given the response they showed). Everything else (about Ramadan, being Hindi, the color of one's skin, etc) may be nothing more than decorations, and no one here knows what would happen if John Smith Anglosaxon set off the same detector in…
My bags have set off the explosives detector before, twice. (In both cases, due a heart medication that apparently triggers false positives). I was not taken into a back room or interrogated for hours. They searched me and my bags in more detail, asked some questions, and concluded it must have been a false positive. The experience took about 15 minutes each time. This was a few years back, but I don't recall if it w…
Presuming that this was nitroglycerin, then in some sense it's not a false positive at all. It's a dessert wax and a floor topping! https://en.wikipedia.org/wiki/Nitroglycerin