Chris Heerlein recreated the scene from the movie where Clark Griswold hangs from the roof while trying to put up Christmas lights.
He wanted to win a neighborhood holiday display contest, but instead he caused panic only a day after putting his display up.
A passerby was seen on home surveillance video rushing in to try and help the dummy, believing it was a real person.
He even called 911.
The family has since posted a sign outside their home to tell people the display is not real.
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