Originally Posted by jeffb
Death brings on being a zombie. My guess is whatever turns them is airborne. As for Shane taking Rick out there to kill him, you can blame Lori for that.....the last couple weeks she's been playing them against each other. And tonight she made Shane get his hopes up that they could have something. As for all the walkers I could only guess that were't killed properly or something.
but it doesnt explain why he brought him back home to kill him... why wouldnt he do it miles away from the farm?
and why are there hundreds of walkers 50 feet away from the farm? how did that happen all of a sudden?