1991The U.S. Supreme Court heard arguments in the Joseph Doherty case. Doherty was a member of the Provisional Irish Republican Army who escaped during his 1981 murder trial. He was arrested in the U.S. and became involved in a nine-year legal battle over extradition and deportation resulting in his eventual return to Ireland and prison.2002The Arthur Andersen accounting firm was sentenced to five years of probation and fined $500,000 for obstructing a federal investigation of the energy company Enron.