She gave a verbal warning and started shooting. Reading into the encounter it seemed that they are privy to not letting the walkers get close and to shoot on sight. The general public (except for the nerdy kid who got all the info from the internet) has not been warned.
Spoiler Alert......
A trailer for next week has a hospital barricaded and military shooting walkers as they appear.
overall it was a big disappointment... in fact, I found myself anxiously awaiting the wife, her junkey son, and goofy daughter's demise and resurrection as "walkers"..... as for the hubby, he best get some gumption (aka: "balls") in a big hurry too, or he's likely to be "walker food".... makes me want to get one of those "T" shirts that says "I can't wait for you to become a zombie"..... if next season isn't any better, I'll dump it from my list....