Police investigation remains open. The photo of one of the minors included a fly; that is the logo of Clothoff, the application that is presumably being used to create the images, which promotes its services with the slogan: “Undress anybody with our free service!”
The point is to know the time that a video has been uploaded as well as the previous and next videos from it for uses as security cameras, accidents in cars etc to be able to trust a video. (More information can be found on paper).