The Following (2013 - 2015)

What would happen if criminals had a way to communicate with each other? The plot revolves around Joe Carroll, a former college professor who, in addition to his teaching career, was involved in the murder of young women. After being caught, he spends a lot of time on the prison library computer, creating a special network of followers willing to carry out any of his orders. Thanks to his followers, Joe manages to escape the death penalty, and the FBI is once again tasked with capturing the killer.