» Yes. )» Since in retelling they refferred to a past action (his confession), Past Perfect was used to express the precedence of his going on to trasfer nucler secrets to the moment of confession. That is, the Past Perfect in the example shows that, at the moment of the confession, it was already a past action, that for which he was arrested.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.