George Pelecanos calls Thomas Kaufman "a welcome new voice in Washington, D.C., crime fiction." Willis Gidney needs money because he's found a girl. No, no, not that kind of girl. This is an abandoned baby girl. Gidney found her on a case. So he hands the girl to the cops, right? Wrong, because Gidney started life the same way---abandoned. He knows all about D.C.'s juvenile-justice system, having barely survived it himself. That makes it hard to give...