Criminal Minds: Season 2, Episode 10

2 - 10: Lessons Learned

Gideon, Reid and Prentiss travel to Guantanamo Bay to interrogate the leader of a terror sleeper cell being detained there after a chemical weapons dispersal device is discovered during a raid at a suspicious house. Working with Reid, Emily's fluency in Arabic proves to be useful as they scrutinize the suspect while Gideon interrogates him. The man keeps giving Gideon cryptic hints on where his next target is and with millions of lives at stake the team must decipher them before time runs out.