He carried the papers over to the photocopier near Avery's office. Every file in the firm had a number, and none of the copiers in the building would start until they were programmed with a file number. Mitch programmed the machine with the number of an innocent file which was sitting on his desk downstairs, and copied all 128 pieces of paper. He returned this file to Avery's office and came back with another one. He programmed in a different number. That night he used eighteen file numbers from his own files and thee he borrwed from Lamar Quin's files.