Use "muckraker|muckrakers" in a sentence

1. That journalist is nothing but a professional muckraker.

2. This is not the work of a muckraker.

3. Mucker, a brilliant Briticism, almost unknown in America, is listed between movie and muckraker

4. "Nothing else would solve the problem except beating him up, " he said, referring to Fang Shimin, the muckraker.