Sackler family members who previously served on Purdue Pharma’s board, David Sackler and Kathe Sackler, and the company’s president and CEO, Craig Landau, have agreed to appear virtually before a House oversight committee on Thursday.

The Sacklers are majority owners of Purdue, which has faced intense scrutiny and litigation for its role in fueling the opioid crisis. Ahead of the meeting, the committee’s chairwoman, Rep. Carolyn B. Maloney (D-N.Y.), released documents which lay out details of how the Sackler family increased Oxycontin profits for Purdue by targeting high-volume prescribers and pushing higher-strength doses of the powerful painkiller.

The hearing marks one of the few occasions when Sackler family members will testify under oath. The company has seen profits of more than $30 billion since introducing the opioid in 1996.