FBI agents found semi-automatic rifles and a bulletproof vest in the suspect's home.
"Institutional racism is real,” the 2020 Democrat told a crowd in Ohio. “It doesn’t take away your pain or suffering. It’s just a different issue."
Last year, the president said people in Ohio shouldn't sell their houses because the jobs were coming back.
The agency defied a request from the House Judiciary Commitee to review his case.