Billionaire investor Leon Black walked out of a closed-door hearing with the congressional committee investigating late sex offender Jeffrey Epstein after refusing to answer questions on non-disclosure agreements (NDAs), say lawmakers. Black, whose name comes up in the Epstein files released by the justice department, testified voluntarily. But he left after he was asked about NDAs he may have signed, the panel chairman said. Black left Apollo Global Management, which he co-founded, in 2021 amid scrutiny over his Epstein ties. He denies wrongdoing. Tap the link in BBCNews's bio to read more. #US #JeffreyEpstein #BBCNews