S12, E21: Having just returned from Darfur, Pratt struggles to get the real story from two abused boys who came into the emergency room with their injured father. Neela becomes nervous when she is urgently called up to Dr. Dubenko's (recurring guest star Leland Orser) office, but she is quickly relieved to hear what he has to say. When two U.S. Army officers arrive, the staffers worry that there is bad news. Behaving strangely, Clemente (recurring guest star John Leguizamo) puts his patients in jeopardy, and Kovac forces him to take a break.