Takes off underpants in interviews? (8)

I believe the answer is:

debriefs

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'interviews?' is the definition.
The definition and answer can be both to do with communicating as well as being verbs in their -s form.
Perhaps they are linked in a way I don't understand?

'takes off underpants' is the wordplay.
'takes off' becomes 'de' (I can't explain this - if you can you should give a lot more credence to this answer).
'underpants' becomes 'briefs' (I've seen this before).
'de'+'briefs'='DEBRIEFS'

'in' acts as a link.

Can you help me to learn more?

(Another definition for debriefs that I've seen is " Asks questions about a completed mission".)

I've seen this clue in The Independent.

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