Lawyers Raise Concern Over Hidden FBI 'I-Drives' Defense lawyers around the country voice new concerns about the way the FBI handles evidence and information. For the last eight years, when required to turn over information, the FBI has not included records stored on so-called computer "I drives" used in field offices. Critics worry the FBI has been selectively deciding what to release to lawyers, Congress and the public. The FBI denies it's been hiding information. NPR's Wade Goodwyn reports.