A Danish man was sentenced in federal court to 30 years in prison for producing and transporting child pornography and for extortion against an 11-year-old Buchanan County girl.

The social web site Facebook facilitated the crimes committed by Kai Lundstroem Pedersen, but also proved to be his undoing.

The 61-year-old, in Denmark, posed as a juvenile male and met the local girl on Facebook. He talked her into engaging in a sexual video chat online, which he recorded.

The girl’s mother called police when she received Facebook correspondence that included nude images of her daughter.

An investigator then posed as another juvenile victim on Facebook, and was able to find out when the man would be vacationing in the United States.

The next time he logged in to Facebook, agents tracked his whereabouts to a home in Stonybook, New York, where he was arrested.

Lundstroem Pederson, 61, pleaded guilty last year. U.S. District Judge Greg Kays ordered him to serve 30 years in federal prison.