Continuity mistake: Red is barefoot for a long period in the movie, but when they run to the boat she's wearing barely-visible slippers, presumably to protect her feet while running outside.
Us (2019)
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Directed by: Jordan Peele
Starring: Elisabeth Moss, Lupita Nyong'o, Yahya Abdul-Mateen II, Anna Diop
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Gabe Wilson: Who are you people?
Red: We're Americans.
Trivia: The voice of the Fun House Narrator is that of the film's director, Jordan Peele.
Question: This may seem simplistic, but what happened to the police who were meant to arrive in 14 minutes?
Answer: If the police arrive in 14 minutes, they would be dead and killed by their doppelgängers - Red, Abraham, ombre, and Pluto.
Answer: They were delayed or killed. When the family was given the 14 minute estimate it was before anyone, including the police, realised the extent of the problem.