are sentenced to prison are eligible for, by law, statutory good time. less than what i thought was appropriate. but it's an incredibly rare for a police officer in any jurisdiction, especially here in chicago, to be charged, convicted, and sentenced to prison for a murder. and that's -- that's the message. >> reporter: but for many, the successful state prosecution isn't enough. u.s. congressman bobby rush is among those now calling for federal civil rights charges against van dyke. >> being sentenced was a slap on the wrist. justice have not really been served, and so there is no relaxing. there is no sense of, well, let's move on because we can't move on. we can't move on.