The son of an American executive at Nestlé in Switzerland faces felony charges in the US for secretly filming women in the Lake Geneva region and uploading the video to a porn site, according to media reports.

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The 19-year-old student at Villanova University in Philadelphia, identified as T.J., placed his iPhone in a bathroom to record the women undressing.

A friend of one of the victims alerted her after seeing the video online, NBCNews.com reported.

US police said the video shows the woman undressing with her bare breasts exposed.

The young man admitted to police that he secretly hid his iPhone in the bathroom of his parents’ home, where he filmed guests as they undressed.

He later uploaded the images to the porn site from his dormitory room at university.

During the police investigation two other victims were discovered, including a woman who was 17 years old at the time of the recording.

The videos were taken while T.J. was spending holidays at his parents’ home in Tour-de-Peilz in the canton of Vaud, 20 Minutes reported online.

The newspaper identified him as as the son of a Nestlé executive who is set to move away from Switzerland.

Citing a neighbour, 20 Minutes said he attended a private bilingual school near Vevey, where he wore a uniform.

He obtained his high school matriculation (bac) before leaving Switzerland to attend university in the US.

T.J. has taken a six-month leave of absence from the university after posting bail following his arrest last week.

He is charged with dissemination and possession of child pornography, invasion of privacy, obscene materials on the internet and criminal use of a communication facility.