The principles of interrogation during court hearing include the rules of reciprocity rights, necessity, juror impartiality, being timely, debate etc.

庭审的质证原则主要包括权利对等原则、质证必要原则、法官居中原则、适时质疑原则、质疑合理原则和辩论原则。

youdao

There was nothing in this description here from the agent of the Federal Bureau of Investigation which was different than the interrogation rules of engagement which had already been spelled out.

NPR: Senate Debates Treatment of Detainees

On Army interrogation tapes obtained by CNN, other soldiers complained about the Army rules for evidence gathering.

CNN: Army general defends rules for detainees