Read The Punisher: The Slavers the other day. 'Nam vet and full-time vigilante Frank Castle takes on a group of East European slave traders. Shootouts and graphic torture ensue. Not to mention rape, racism, homophobia, murdered babies, police corruption, as well as the failure of either liberalism or hardcore vigilantism to solve the problem of the sex trade. Bleakest thing I've read in a long time.
Worryingly, it actually cheered me up. Goes to show how much I'm enjoying Christmas this year.