After a long period of increasing gang violence somewhere near Nile's family's home the guard decides to split up with Nile and Andy going after some human traffickers in some other part of the world while Nicky and Joe get to try to make the area where Nile's family lives safer.

Their methods eventually catches the attention of the police who call in the BAU to do a profile on the vigilantes that are killing off seasoned gang members and saving the younger ones from getting caught up in the gang activity.