Racy, raw 'Killer Joe' offers murder and mayhem

Post Gazette: There are some families -- a lot, if you're honest -- you wouldn't want to be part of or even know, but you wouldn't mind visiting, from a safe distance, with your timely escape assured. Such are the losers in Tracy Letts' very dark comedy, "Killer Joe," a guilty pleasure from barebones productions -- which is redundant, that being the company's signature taste.