Hidden-camera clips showing teenagers' legs and other body parts are being traded on Tumblr, adding to a series of digital sex crime reports to spark public debate and rallies demanding a wider police investigation. Teenage girls wearing the uniform of a high school in Suwon, Gyeonggi Province, are filmed in a short video clip posted on a Tumblr account, with a message reading: "Teaser clip for OO high school. For sales or exchange, please message me. Another Tumblr user posted a short clip showing a teenager wearing a school uniform skirt seated in what appears to be a karaoke room. The account had multiple posts of spy-cam footage showing girls' legs, to which many users had posted messages requesting a private follow-up.