1868 impeachment managers investigation

Impeachment managers for the impeachment trial of Andrew Johnson, the group which ran the investigation.
Formation	May 16, 1868 (investigation authorized)
Dissolved	July 3, 1868 (final report published)
Type	United States House of Representatives-authorized investigation
Purpose	To investigate possible "improper or corrupt means" to influence the vote of U.S. senators in the impeachment trial of Andrew Johnson
Membership	Impeachment managers for the impeachment trial of Andrew Johnson: John Bingham George S. Boutwell Benjamin Butler John A. Logan Thaddeus Stevens Thomas Williams James F. Wilson

This article is part of a series about Andrew Johnson
Early life Andrew Johnson and slavery Legacy Bibliography 15th Governor of Tennessee Governorship 16th Vice President of the United States Vice presidency Drunk V.P. inaugural address Assassination of Abraham Lincoln 17th President of the United States Presidency Inauguration Foreign policy Cabinet appointment Judicial appointment Conclusion of Civil War Reconstruction era Reconstruction Acts Civil Rights Act (1866) Swing Around the Circle Impeachment First inquiry Second inquiry Trial Managers investigation Efforts Timeline Articles of impeachment Vice presidential and Presidential campaigns 1864 National Union national convention election 1868 Democratic National Convention Post-presidency Return to Senate Death Cemetery Historic Site Family Eliza McCardle Johnson Martha Johnson Patterson Charles Johnson Mary Johnson Stover Robert Johnson Frank Johnson
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On May 16, 1868, the United States House of Representatives authorized the impeachment managers (prosecutors) of the impeachment trial of Andrew Johnson to conduct into possible "improper or corrupt means" to influence the vote of members of the United States Senate in the impeachment trial. The investigation was launched before the adjournment of the trial and continued after the trial adjourned on May 26, 1868. The leading figure of the investigation was Benjamin Butler. The final report of the investigation was published on July 3, 1868.