It isn't clear, but it seems like investigators are saying "Give us a list of all IPs that watched these 8 youtube videos on this day". Considering all of the v

It isn't clear, but it seems like investigators are saying "Give us a list of all IPs that watched these 8 youtube videos on this day". Considering all of the videos have 30,000 views total, if the videos were independent in some manner(ie not by the same creator, or recommended one after the other), the odds seem really low that more than 1 person watched all of them. This seems in line with other types of legal subpoenas - I can't recall the exact situation, but after a string of bank robberies across a state, police subpoenaed cell tower records for cell phones that had pinged towers near each bank while it was being robbed, and that quickly led them to the robbers. edit: https://arstechnica.com/tech-policy/2013/08/how-cell-tower-dumps-caught-the-high-country-bandits-and-why-it-matters/ https://arstechnica.com/tech-policy/2013/08/how-cell-tower-d... Turns out the cops got all the cell tower records for 4 rural robberies, and did the intersection themselves, but I don't know why the phone co couldn't do that.