Not the least of those issues is privacy. The department's very creation acknowledges that catching terrorists requires breaking down barriers between intelligence gathering and law enforcement. But civil libertarians are worried that the new department, with its souped-up databases, will step over the line. Just as scary is the possibility that it won't go far enough. We need national guidelines for using information that we collect and accessing databases, ... The people who work day in and day out need to know what they are allowed to do, not just what they are not allowed to do.