mrs. faber confessed to stabbing rocco with her husband's knife once. abrasion here on this single, nonfatal wound to the victim's chest is consistent with the hilt of her knife. she stabbed him once, but she didn't kill him. okay, but is it possible that maybe she just didn't apply enough force to leave an abrasion on the other stab wounds? no. the numerous fatal wounds are just as deep. they didn't show a hilt mark. they're jagged, rough, less precise than her mark. they're puncture wounds coming from a much duller blade. maybe not even a knife. so after mrs. faber left, someone else came, attacked and killed this man? that's what the evidence indicates. wow. hey, doc, look at his leg. did you see this? some sort of flakey residue. hmm. what is that? huh. that could be blood. hey, i'm gonna run this up to calleigh. if you figure out what the actual murder weapon is, could you send up a flare? sure. the flakes we found on rocco in the other stab wounds were dried blood from troy faber. so the question is, why would we have 20-year-old dried blood on to