Did you study the world’s safest (and least safe) airports, and correlate that with the number of terrorist threats they face, and imitate their best practices? Did you look at Israel’s model, where they rely much more on talking to each passenger and watching for squirrelly responses — a model used by our own border service for a couple hundred years?
Or did you buy the most expensive gadgets you could find from a company that at least seven US representatives and two US senators own stock in?