03E07 - A Dead Kid, a Notebook, and a Lot of Maybes

Burgess and Roman go to a woman who says her son is missing. When they look around they find something disturbing so they contact Intelligence and go to the boy's school and clear it out. They eventually find the boy dead of an apparent suicide and with a bomb. They learn he was close to another boy who is also missing and they learn he looked up on the web how to build a bomb. They find him but have nothing on him so they let him go. They later learn he went to his swimming coach and wrote something that implies the coach is a pedophile. the coach says the boy is delusional so they try to find out who is telling the truth. Atwater sees a high ranking (Black) Captain and tries to schmooze with him but the Captain's not impressed.