Originally Posted by
Dudey
What I also don't understand is if the millimeter wave technology is safer, why wouldn't that be the default option in all airports as opposed to having backscatter?
Along with the other reasons already mentioned here, some TSA reps stated to Rep. Chaffetz when grilled on Capital Hill, that they buy both to keep the prices down. Those TSA reps and their 4th grade science kit have determined both machines are safe, so, they're giving some people cancer to keep the price down. That's the TSA for you.