Jack Palladino, the flamboyant private investigator whose clients ranged from presidents and corporate whistleblowers to scandal-plagued celebrities, Hollywood moguls and sometimes suspected drug traffickers, died Monday at age 76.

Jack Palladino, the flamboyant private investigator whose clients ranged from presidents and corporate whistleblowers to scandal-plagued celebrities, Hollywood moguls and sometimes suspected drug traffickers, died Monday at age 76.