Former senior-level Pentagon security official Christopher Mellon told DailyMail.com, 'it is clear they want to be seen as though taunting us'

The Defense Department, with the stroke of a pen, has quietly codified its right to deploy lethal force against its own citizens.

This is not a drill—the reissue of Directive 5240.01 is a declaration of intent.

The military, an entity designed for external…