More than two years ago, an inspector general audit discovered radio silence between the many components of the Department of Homeland Security. Today, little has changed. In the aftermath of the Sept. 11 terrorist attacks, the department spent $430 million on radios to facilitate communication between each of its components should a future emergency occur. But by 2012, only a single one of the 479 radio users tested could use a common channel, according to an IG report. And only 78 of their radios had the appropriate program settings to do so. IG recently checked back in with some of these radio users to see if anything had changed.