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working or conducted secretly under the supervision of a law enforcement agency to gather information or catch criminals
- The undercover agent infiltrated the criminal organization to gather intelligence.
- They operated under an undercover identity to protect their true identity from the suspects.
- The undercover operation uncovered illegal activities within the company.
- He worked as an undercover investigator, posing as a regular customer to catch shoplifters.
- The undercover journalist exposed corruption in the local government through their investigative reporting.