CIA man asker catechist cloak-and-dagger operative counterintelligence agent counterspy cross-interrogator cross-questioner detective double agent espionage agent examiner inquirer inquisitionist inquisitor inside man intelligence agent interlocutor interpellator interrogator interrogatrix interviewer military-intelligence man naval-intelligence man operative opinion-sampler poller pollster prober querier querist questioner questionist quizzer reconnoiterer sampler scout spotter spy spy-catcher undercover man