FILE PHOTO - Acting Assistant U.S. Attorney General Jeffrey Clark speaks next to Deputy U.S. Attorney General Jeffrey Rosen at a news conference, where they announced that Purdue Pharma LP has agreed to plead guilty to criminal charges over the handling of its addictive prescription opioid OxyContin, at the Justice Department in Washington, U.S., October 21, 2020. REUTERS/Yuri Gripas/Pool