"Interrogation methods" refers to the techniques and processes used to question or extract information from someone, often during an investigation or in legal contexts. Full definition
Attorneys wrote memos giving legal advice that in essence gave permission for the CIA to use harsh interrogation methods when questioning suspected terrorists. (nakedpastor.com)
This is more aspiration than fact, with large numbers of countries around the world ignoring absolute prohibitions and continuing to use torture and other illegal interrogation methods. (newlawjournal.co.uk)
The report, built around detailed chronologies of dozens of CIA detainees, documents a long - standing pattern of unsubstantiated claims as agency officials sought permission to use — and later tried to defend — excruciating interrogation methods that yielded little, if any, significant intelligence, according to U.S. officials who have reviewed the document. (businessinsider.com)