Debrief

(eingehend) befragen

(to question someone after a military mission in order to obtain intelligence)

(eingehend) unterrichten

(to inform subjects of an experiment about what has happened in a complete and accurate manner)

nachbesprechen

(to question someone, or a group of people, after the implementation of a project in order to learn from mistakes etc.)

vernehmen

(to question someone after a military mission in order to obtain intelligence)