Posing as food vendors, the Comachos brutally gun down every member of the Luna household. Cusack, knowing they will go after Diana to bring Luna out of hiding, tries to get to her first. Gamiani is stabbed to death. Cusack and Kopalas arrive on the scene. Cusack takes off after Diana, who is being chased by several Comacho gang members. In an alley. Cusack surprises them at gunpoint. One takes Diana hostage with a knife, but Cusack disarms the three remaining suspects and goes after the one with the girl. He follows them to the Randolph/Wells (CTA) elevated station and boards a train. A standoff ensues, leading to a fight on the roof of the eight-car train. At a bridge crossing, the gang member jumps into the Chicago River, where he is run over by a speedboat.