Who is the whistleblower in the impeachment inquiry

A whistleblower is a person who leaks out information. Impeachment in the United States is the process to give charges against the officer of government or president by the lower house of a legislature.

Explanation:

A Whistleblower is a person who leaks secretive information about the illegal activities of a person or organization which considered to be unconstitutional. Recently in November 2019, A whistleblower complaint sparked the impeachment inquiry into President Donald Trump's actions on Ukraine. Unfortunately, the name of the whistleblower remains a mystery and unrevealed.  

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