If you live in Chicagoland, you’ve no doubt come across the Chicago Tribune’s investigative series on Illinois’s troubled residential treatment centers. In December, the paper shed light on major problems at the youth homes. Rape and assault allegations. Prostitution. Runaways. And lax oversight. It caught the attention of lawmakers, the Cook County sheriff, and now: The Justice Department. David Jackson, one of the reporters, fills us in on this latest development.