Final answer:
Arthur Andersen was convicted of obstruction of justice for destroying records in the Enron case, which involved shredding documents and altering financial statements.
Step-by-step explanation:
Arthur Andersen, the accounting firm, was convicted of obstruction of justice for destroying records related to the Enron scandal. This conviction was a result of the firm's involvement in the systematic shredding of documents and altering of financial statements to assist Enron in hiding its financial losses, and thereby misleading investors and the public. The legal issues that emerged from the Enron case highlighted the need for stricter compliance and ethical standards in accounting practices.