An FBI investigation in New York leads to the discovery of 764, an online offshoot of the occult Order of 9 Angles, dedicated to pushing vulnerable children into self harm and sexual abuse. A hydrologist writes in to answer some of Ben, Matt and Noel's earlier questions about saltwater intrusion. A fellow Conspiracy Realist explores the dangers of drug analogs. All this and more in this week's listener mail segment.They don't want you to read our book.: https://static.macmillan.com/static/fib/stuff-you-should-read/See omnystudio.com/listener for privacy information.