Conversation so far:
what was the covode committe?
Covode Committee to investigate the administration for evidence of offenses, some impeachable, such as bribery and extortion.
what did they find?
corruption and abuse of power among members of his cabinet, as well as allegations (if not impeachable evidence) from the Republican members of the Committee, that Buchanan.

Question: was anyone arrested?
Self-contained rewrite: was anyone from covode committee arrested ?