Democratic senators call for investigation of Supreme Court Justice Clarence Thomas

The transcript discusses a criminal investigation into Supreme Court Justice Clarence Thomas regarding gifts and a loan from wealthy friends. Senators Sheldon Whitehouse and Ron Wyden have requested a special counsel to determine if Thomas violated federal ethics and tax laws. Thomas's attorney asserts that he has complied with all legal requirements.

What action are Senators Whitehouse and Wyden requesting?

What has Justice Thomas's attorney stated regarding his compliance?