spitz must examine mr.tarting from the outside, and working his way in. >> a lot of bleeding on his scalp. >> michelle removes excess blood from the skull bone to uncover any hidden wounds. and the extent of charles krueger's head trauma quickly becomes apparent. >> oh, look at this. he's got a fracture. yep. just take your side and i'll take a scalpel to it. we have a fracture here i want to just scrape off. see if we can see how far it goes. it goes all over the place, comes here and branches that way, that way. >> the extensive skull fractures prove one thing. krueger hit his head hard. >> the question we still have is what internal injuries is he going to have as a result of that. what injuries are going to involve the brain, the bleeding over the brain like a subdural hemorrhage and then the real question is, do these injuries fit with his own actions, his own fall down the stairway or could it implicate somebody else? let us see what's in his head. >> now christina moves on to face two of her skillful

a sick child without insurance may share a room with a smelly homeless person whose screams, spitz and swears. that patient strapped to the gurney should have been admitted to psychiatry, showered, fed and otherwise given humane and appropriate treatment. instead, according to one of my colleagues, he may spend up to four days in their emergency rooms strapped to the gurney. the reason for that is that st. luke's 32-bed psychiatric unit was closed entirely in 2005. 50 years ago, california decided the chronically mentally ill should not be segregated in government hospitals but should be treated in the community. sutter seems to be trying to reverse this with a policy of the few don't build it, they won't come. nevertheless, many psychotic or suicidal patients make their way to a medical emergency room and with no psychiatric facility, there is no way to give them adequate care. overcrowding and my facility makes transfer very impossible and the patient's room windup to quickly on the market street sidewalk. to make matters worse, sutter is petitioning you to build a 555 dead general h

the main character, mark spitz, is one of these the guys just taking out the rubbish. >> and what ist "zone one" that -- why is this happening in that particular neighborhood? and i have a personal interest, as i happen to live in zone one, and i'm hoping that this is all made up. >> sure. well, pretty much. you know, manhattan prized real estate, if you can reboot manhattan, you can reboot the rest of america. so it's a real prize. and so zone one is everything below canal street. they've set up a wall, and once they sweep out zone one, they'll go to zone two, which is like you know canal to houston and reclaim the city, and basically reclaim civilization bit by bit. >> and if you were to define your zombies, because there's a lot of zombies, and i think you made a great point, that this is your zombie. this is your interpretation of it. we have lots of zombies in pop culture. obviously, we have "the walking dead here," we have "dawn of the dead," "28 days later," there's countless examples in modern and pop culture history. what would you say are the defining characteristics of you