Link analysis of criminal organizations is something literally every detective knows how to do. I don't understand the difficulty here unless they think finding

Link analysis of criminal organizations is something literally every detective knows how to do. I don't understand the difficulty here unless they think finding good marketing candidates on Instagram is anything like a criminal investigation. Cops keep track of your associations (hence why they can no longer force you to show them the contents of your phone; your contact history is juicy intel that used to reveal lots of links!). Modern technology just makes it easier.