Secretly, privately (2,6)
I believe the answer is:
in camera
This clue is a double definition.
'secretly' is the first definition.
(I've seen this before)
'privately' is the second definition.
(I've seen this before)
(Other definitions for in camera that I've seen before include "not shown to the public?" , "It's not open court" , "not seen by the public" , "With public absent" , "Where you find digital pictures" .)