Conversation so far:
what was ernie kovacs' tax evasion about?
A frequent critic of the U.S.
tax system, Kovacs owed the Internal Revenue Service several hundred thousand dollars in back taxes.
how did they find out?
His long battles with the IRS.
did he ever have to pay it back?
due to his simple refusal to pay the bulk of them.
Up to 90% of his earnings were garnished as a result.

Question: did he pay them any cash?
Self-contained rewrite: Did Ernie Kovacs pay the IRS any cash?