S6, E10: Fin and Benson are on a stakeout, and when Fin goes into the bodega to get a cup of coffee, a couple of teenage punks stick up the cashier. Shots are flying everywhere, when the dust settles, the punks and cashier are dead, Fin is badly hurt and a young boy is saved. Fin goes into surgery, and his long lost son pays him a visit. The publicity surrounding the shooting is intense, and Fin is off the hook when surveillance video shows he only fired after the punks shot first. But a woman approaches Fin at the police station, distraught - she says Fin is responsible for her daughter's disappearance.