Continuity mistake: While initially walking on the train, we can see that the bottom of Regan's feet are filthy dirty, almost black on the bottom. She takes a few steps off-screen, and we now see her feet are cleaner. (00:40:00 - 04:01:00)
Continuity mistake: At the market, Lee picks out five pieces of fruit (one apple and four oranges?), tears a produce bag off, and walks away. He takes a few steps off-screen, and he is next seen going around an end cap and walking down an aisle, with nine pieces of fruit in the produce bag. (00:01:36)
Answer: While what was happening was not yet considered an emergency, a situation was growing, and town residents were becoming somewhat panicked or were confused. Officer Ronnie used his siren and lights as a safety precaution to warn people milling in the street to move away. He also signaled Lee not to drive off because he wanted to talk to him. Ronnie didn't appear to just stand there. He was looking around and assessing the situation while Lee was walking up to him.
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