An elderly federal judge presiding over a key lawsuit relating to financier pedophile Jeffrey Epstein died Sunday, adding another twist to the drawn-out legal saga and to efforts to unseal still-secret details about the conduct of Epstein, his enablers and one of his accusers. Manhattan-based U.S. District Court Judge Robert Sweet passed away Sunday at age 96, the court announced. Sweet was appointed by President Jimmy Carter in 1978, confirmed that same year and continued to hear and rule on cases through the last few months.