undercover man

noun

Definition of undercover man

: one who undertakes to secure evidence of criminal or illegal actions by working with or among those who are under suspicion also : one who secures a position (as in a business or factory) for the purpose of illicitly obtaining confidential information

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“Undercover man.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undercover%20man. Accessed 24 Jan. 2021.

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