The top-ranking Justice Department prosecutor in Washington, D.C., worked on behalf of Qatar and numerous foreign banks that have been accused of bankrolling terrorism, documents show.

As the U.S. attorney in the nation’s capital, Matthew Graves has come under the spotlight for supervising a sprawling investigation into the Jan. 6, 2021, Capitol riot and faced the wrath of GOP lawmakers for allegedly refusing to partner with federal prosecutor David Weiss on charging Hunter Biden, the son of President Joe Biden, in Washington with tax crimes. But before this, Graves was a partner at the global law firm DLA Piper, where he represented controversial Qatari-based entities, including its Hamas-linked government.