Bill and Hillary Clinton have repeatedly offered to provide sworn statements, but Representative James R. Comer has threatened to hold them in contempt of Congress if they fail to appear.
For months, the Clintons have been engaging with Mr. Comer far more than was previously known to respond to his requests and avoid having to appear on Capitol Hill.
The former chief executive, Michael S. Jeffries, was charged with running an international sex-trafficking ring. An earlier ruling found that he could not be tried because he had Alzheimer’s.