I love this random sampling technique. Flying into Mexico once, I noted they used a random bag check up on entry--a light would indicate if you had to go to the

I love this random sampling technique. Flying into Mexico once, I noted they used a random bag check up on entry--a light would indicate if you had to go to the bag check line. It was unbiased and heartless so you couldn't play it cool and fool it. Sure, there was like a 3/4 chance (or something) you'd get through with your weed, but it wasn't worth the risk and penalty. And the line was processed really quickly.