Something in the Shadows, Pt. 2

S2 E13: Tony is busted for delivering the drugs, but refuses to come forward to protect his mother. After Nypo puts her in the hospital, Tony attempts to take matters into his own hands, and Walker, who is being held captive must escape and bust Nypo and his drug lord boss. Meanwhile, the Rangers continue their investigation on the college rapist and suspect that a professor that Alex knows might be the rapist.