A STARTLING government revelation in the Inspector General’s report: the DHS is still separating families at the border while routinely failing to document those who had crossed the border with a child. “There were separated-parent files that literally had no reference to any child. "We don’t even know what we don’t know,” in large part because the government had never created “an integrated data system to track separated families” across the different federal departments. The report is damning in a characteristically Trumpian way: it is at least as scandalous for what it doesn’t reveal (an “unknown” number of children affected) as it is for what it does (the “lack of an existing” system to track them).