Johnson(D) 5 years in office. 0 indictments. 0 convictions
Nixon (R) 5+ years in office. 76 indictments. 55 convictions.
Ford (R) 2+ years in office. 1 indictment. 1 conviction.
Carter(D) 4 years in office. 1 indictment. 0 convictions.
Reagan(R) 8 years in office. 26 indictments. 16 convictions.
Bush Sr. (R) 4 years in office. 1 indictment. 1 conviction
Clinton (D) 8 years in office. 2 indictments. 1 conviction.
Dubya (R) 8 years in office. 16 indictments. 16 convictions.
Obama (D) 8 years in office. 0 indictments 0 convictions.
Trump (R) 4 years in office. 68 indictments, 12 convictions (and counting).
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TOTALS:
Republicans 188 indictments 100 convictions
Democrats 3 indictments 1 conviction
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It would seem there is a slight disparity between the parties :)