The season follows Dexter, who is forced to deal with his past when he comes across Dr. Evelyn Vogel, a woman who claims to have structured the code for him alongside Harry.
covert action. 1. a secret action undertaken to influence the course of political events, as a government intelligence operation. Also called covert operation. Altogether, a great storyâand a surprising disclosure of covert action. Well, Brennan points out, covert action programs are, by definition, classified.
covert operation. An operation that is so planned and executed as to conceal the identity of or permit plausible denial by the sponsor. A covert operation differs from a clandestine operation in that emphasis is placed on concealment of identity of sponsor rather than on concealment of the operation.