Would they really have just let Todd go on his merry way from the police station when they could see the physical pain he was in from his injuries? Surely he would have been sent to/escorted to the hospital by the police to get checked out, as further evidence if nothing else? Not leave it all up to wee Sarah to get him there.
Aside from that, amazing ep. I have a stone cold, dead heart (unless it's animals, babies or the worst, baby animals) and I had a little cry at all his loved ones reactions. It shows how important a support network is.