FILE - OxyContin pills arranged for a photo at a pharmacy, Feb. 19, 2013 in Montpelier, Vt. (AP Photo/Toby Talbot, File)

Christopher R. Kavanaugh, the United States Attorney for the Western District of Virginia, gestures while announcing that the McKinsey & Company agreed to pay $650 million for helping Purdue Pharma boost opioid sales during a news conference at the Moakley Federal Courthouse, Friday, Dec. 13, 2024, in Boston. (AP Photo/Charles Krupa)

FILE - Protesters gather outside a courthouse on Friday, Aug. 2, 2019, in Boston, where a judge was to hear arguments in Massachusetts' lawsuit against Purdue Pharma over its role in the national drug epidemic. (AP Photo/Charles Krupa, File)

Christopher R. Kavanaugh, the United States Attorney for the Western District of Virginia, gestures while announcing that the McKinsey & Company agreed to pay $650 million for helping Purdue Pharma boost opioid sales during a news conference at the Moakley Federal Courthouse, Friday, Dec. 13, 2024, in Boston. (AP Photo/Charles Krupa)

Joshua S. Levy, the United States Attorney for the District of Massachusetts, gestures while announcing that the McKinsey & Company agreed to pay $650 million for helping Purdue Pharma boost opioid sales during a news conference at the Moakley Federal Courthouse, Friday, Dec. 13, 2024, in Boston. (AP Photo/Charles Krupa)

Christopher R. Kavanaugh, the United States Attorney for the Western District of Virginia, gestures while announcing that the McKinsey & Company agreed to pay $650 million for helping Purdue Pharma boost opioid sales during a news conference at the Moakley Federal Courthouse, Friday, Dec. 13, 2024, in Boston. At right is Joshua S. Levy, the United States Attorney for the District of Massachusetts. (AP Photo/Charles Krupa)

Christopher R. Kavanaugh, the United States Attorney for the Western District of Virginia, gestures while announcing that the McKinsey & Company agreed to pay $650 million for helping Purdue Pharma boost opioid sales during a news conference at the Moakley Federal Courthouse, Friday, Dec. 13, 2024, in Boston. (AP Photo/Charles Krupa)