The grandmother takes Rick, Daryl, and T-Dog into a nursing home where a lot of elderly, sick patients are staying at.
Felipe: Abuela, por favor. Take me to him.
Rick realizes that the Vatos are protecting the individuals that are staying at the home. They come into the gymnasium where they find an elderly man having an asthma attack. Felipe and Glenn help him.
Felipe: All right. All right. Nice and easy. Just breathe. Just breathe. Just let it out. Just breathe. Just relax.
Rick: What the hell is this?
Glenn: An asthma attack. Couldn’t get his breath all of a sudden.
T-Dog: I thought you were being eaten by dogs, man.
They look at the dogs which are little Chihuahuas.
Rick: Could I have a word with you? You’re the dumbest son of a bitch I ever met. We walked in there ready to kill every last one of you.
Guillermo: Well, I’m glad it didn’t go down that way.
Rick: If it had, that blood would be on my hands.
Guillermo: Mine too. We’d have fought back. Wouldn’t be the first time we’ve had to. Protect the food, the medicine… what’s left of it. These people, the old ones… the staff took off, just left ’em here to die. Me and Felipe were the only ones who stayed.
Rick: What are you, doctors?
Guillermo: Felipe’s a nurse… a special care provider. Me, I’m the custodian.
Rick: What about the rest of your crew?
Guillermo: The Vatos trickle in to check on their parents, their grandparents. They see how things are and most decide to stay. It’s a good thing too. We need the muscle. The people we’ve encountered since things fell apart, the worst kind… plunderers, the kind that take by force.
Rick: That’s not who we are.
Guillermo: How was I to know? My people got attacked and you show up with Miguel hostage… appearances.
T-Dog: Guess the world changed.
Guillermo: No. It’s the same as it ever was. The weak get taken. So we do what we can here. The Vatos work on those cars, talk about getting the old people out of the city. But most can’t even get to the bathroom by themselves, still, it keeps the crew busy, and that’s worth something. So we barred all the windows, welded all the doors shut except for one entrance. The Vatos, they go out, scavenge what they can to keep us going. We watch the perimeter night and day and we wait. The people here, they all look to me now. I don’t even know why.
Rick: Because they can.
– Walking Dead, S1E04