noun
fact-finding committee
A formal committee established to investigate and ascertain the facts of a situation, often used in governmental, corporate, or organizational contexts.
事故の原因を究明するため、実情調査委員会が設置された。
A fact-finding committee was established to investigate the cause of the accident.
調査委員会 is a general 'investigation committee', while 実情調査委員会 specifically emphasizes ascertaining the actual facts or real situation.
Compound of 実情 (actual situation) + 調査 (investigation) + 委員会 (committee).