A spook’s guide to the psychology of deception (archived)

Related:

How Covert Agents Infiltrate the Internet to Manipulate, Deceive, and Destroy Reputations

The Art of Deception: Training for Online Covert Operations

Military Report: Secretly ‘Recruit or Hire Bloggers’

CENTCOM Team Engages ‘Bloggers’

That commenter on your blog may actually be working for the Israeli government