1) His tradecraft was appallingly reckless.

2) One can readily imagine that the tradecraft developed for traditional human spying could readily translate into the virtual world. Indeed, covert action in this world is all but inevitable.

3) You had the most natural tradecraft instincts of anyone I've ever seen.

4) The cia chief of station accepted responsibility for his agents'failures of tradecraft.

5) Reporters now regularly stroll the Internet for stories in the same way they used to prowl the corridors of City Hill. The tradecraft is a little different, but journalists are learning fast.

6) Instructional designers are trained in something that might be called tradecraft.