Secret investigation is distinct from agent provocateur, because secret policemen have incomplete instigation on purpose, which is short of inculpation.

卧底侦查不同于教唆陷害，卧底警察具有不完整的教唆故意，欠缺可罚性。

youdao

Then, on this basis to discuss the properties of an undercover investigation, which include: proactive detection, enforcement measures, secret investigation.

然后在此基础上讨论卧底侦查的属性，具体包括：主动型侦查、强制措施、秘密侦查。

youdao

This trend makes secret investigation, which has special effects in the fight against and the prevention of crime, extensively used in investigation practice.

这一趋势使得在打击和预防犯罪方面有特殊效果的秘密侦查措施得以认可，在侦查实务中被广泛的运用。

youdao

This may be why dozens of University of Otago staff members cooperated fully with the police during their secret investigation.

CNN: Bring medical misdeeds into the light

Or maybe during their secondo, or second course of meat or fish, they'll discuss more pressing issues concerning Francis' new job: Benedict left a host of unfinished business on Francis' plate, including the outcome of a top-secret investigation into the leaks of papal documents last year.

NPR: Pope Francis Tells Benedict: "We're Brothers"

The German finance minister has praised a media investigation exposing secret offshore banking, saying he wants more joint EU action against tax evasion.

BBC: Germany's Schaeuble welcomes data on global tax evasion