The Discipline Inspection Commission conducted open and covert investigations of the cadre.
Tips
history
From the late-Qing novel 《痛史》 by Wu Jianren: a loyalist declares he will leave his retreat and go out to 「明察暗访」 to understand the real situation.
usage
Typical contexts: journalism, anti-corruption work, police investigation, inspection tours. Combines the two methods — obvious observation and quiet inquiry — into a single investigative approach.