"The starting point of one of the investigations is an entity that uses the handle “elonmuskwhm” and is suspected of money laundering by selling Bitcoin for cash. As part of the investigation, agents sent the suspect links to tutorials on YouTube about mapping via drones and augmented reality software.Then they asked YouTube to send them data about the people that watched that video."
"In another case, related to a bomb threat, the authorities asked for information about the viewers of eight selected live streams. One of those live streams has over 130,000 subscribers."