Earlier quoted context omitted.
I've never liked the argument "how many shoe bombs have been intercepted?" or "how many terrorists have been stopped?" when it comes to TSA-style security. The presence of the security isn't necessarily meant to find people in the act of carrying out terrorism , it's mean to deter it in the first place since you will be found out (well, in theory anyway...). It's impossible to quantify how many plots have been deterr…
I have a rock that deters tigers you might want to buy
I've not had the chance to try it with a tiger but if it works with them too then I'm afraid you won't fetch much for your stone.