Reddit user " MeLzASS_" was initially convinced it was a prank by someone who hacked into the camera system, but she changed her mind after raising the volume of the clip.
Posting the clip on a sub-reddit group to ask for opinions, she said: "I was watching my daughter wave to the camera thinking it was absolutely adorable. [I was busy texting my realtor about a home I planned on buying.]"I take another look at the nanny cam and hear something disturbing.
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