24 Season 8 Episode 4 - 7:00 pm - 8:00 pm

Ortiz survives and chases Davros into a nearby building; though Davros is killed, tattoos on his body link him to "Red Square," a faction of the Russian mob, who now become the main suspects of the hit on Hassan. CTU realizes that Renee Walker worked undercover to infiltrate Red Square, and she is brought in to help with the case. Jack finds himself concerned for Renee's safety and state of mind, as she had suffered a major breakdown after the events of their previous collaboration; he decides to go undercover with her. Autopsy on Davros' body reveals that he was exposed to weapons-grade uranium, and President Hassan...