Veteran federal judge Alvin Hellerstein, who oversaw cases against Venezuelan President Nicolás Maduro, Archegos Capital Management family office founder Bill Hwang and litigation over the 9/11 terrorist attack, died at 92. (Bloomberg) -- Veteran federal judge Alvin Hellerstein, who oversaw cases against Venezuelan President Nicolás Maduro, Archegos Capital Management family office founder Bill Hwang and litigation over the 9/11 terrorist attack, died at 92.