They said it could constitute distribution of child pornography even though the age of consent in Denmark is 15.
The two video clips were shared through Facebook's Messenger chat-platform in the autumn and the company advised the U.S. authorities about it, as it is obliged to.
The tip-off was then passed on to Denmark via Interpol.
(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)
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