Jeffrey Epstein was many things: a sexual predator, a friend to the rich and powerful and, for many years, a lucrative customer of the nation’s largest bank.

Now the bank, JPMorgan Chase, faces a reckoning for its nearly 15-year relationship with the disgraced financier, one that could cost it a big payout in two lawsuits that claim it ignored warnings that he was trafficking teenage girls for sex because it was profiting from its relationship with him.