Collocations for interrogation - noun

police
further
coercive (esp. AmE)
They have been subject to coercive interrogations without access to lawyers.

lengthy
She had to undergo a lengthy interrogation.

conduct
The interrogation was conducted by senior police officers.

undergo
He had been captured and was undergoing interrogation.

cell, room
methods, procedures, tactics, techniques

during interrogation
She revealed the name of her accomplice during interrogation.

under interrogation
Under interrogation, he refused to say anything at first.