Question: Which tax protester did Kevin Henke call on the phone?
Sentence (from "Cheek v. United States"): Cheek v. United States, 498 U.S. 192 (1991) , was a United States Supreme Court case in which the Court reversed the conviction of John L. Cheek, a tax protester, for willful failure to file tax returns and tax evasion.
Relevant evidence: No