I imagine that a similar process happens for pretty much all mundane jobs in sensitive locations. Sure, people think about the process to recruit high-level per

I imagine that a similar process happens for pretty much all mundane jobs in sensitive locations. Sure, people think about the process to recruit high-level personnel for CIA and NSA positions... but what about the janitors, truck drivers, plumbers, and warehouse personnel? I imagine that these people are paid pretty well for their positions, as they're not being paid for their skills; they're being paid for trustworthiness.