In the Criminal Minds Season 2 finale, "," the standout feature is Hotch’s fierce defense of his team against Section Chief Erin Strauss .
: After the murder, Gideon goes rogue to hunt Frank alone, forcing his own team to profile him to find both men. Criminal Minds - Season 2Eps23
: Keith Carradine returns as Frank, arguably the BAU’s most prolific and haunting nemesis, who strikes Gideon personally by murdering his girlfriend, Sarah. In the Criminal Minds Season 2 finale, ","