I think that is a good question. First, I doubt that it is possible for anyone except a Theist to commit such a crime. An Atheist, since they don't believe in GOD, would be incapable. A believer though, who does Evil and attributes it to GOD would be guilty of Blasphemy against the Holy Spirit.
Some examples might be Rev. Phelps. His actions opposing homosexuals would definitely qualify. Jerry Falwell, Pat Roberston, Gene Scott, Ron Wyatt, Kent Hovind, Ken Hamm, Carl Baugh, Jimmy Swaggart and Jim Bakker, Robert Tilton, Benny Hinn, Bishop Earl Paulk, Larry Lea, W. V. Grant and many other prominent Christians would also be good examples of the sin.
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Tame Lion