Prison Break Season 4 eps 5 Safe and Sound

Don Self tracks down another card to a safe in a heavily guarded Los Angeles federal office building while Mahone gets a few leads in his efforts to track down Wyatt, who chases Sara and tortures Gretchen. Meanwhile, Sucre and Bellick try to track down T-Bag, who makes another discovery about the bird book as he quickly raises suspicions at GATE.