Travis confides in fellow taxi driver Wizard about his thoughts, which are beginning to turn violent, but Wizard assures him that he will be fine, leaving Travis to his own destructive path. Travis is disgusted by the sleaze, dysfunction, and prostitution that he witnesses throughout the city, and attempts to find an outlet for his frustrations by beginning a program of intense physical training. A fellow taxi driver refers Travis to illegal gun dealer Easy Andy, from whom he buys a number of handguns. At home, Travis practices drawing his weapons and constructs a sleeve gun to hide and then quickly deploy a gun from his sleeve. One night, Travis enters a convenience store moments before an attempted armed robbery and he shoots and kills the robber. The shop owner takes responsibility for the shooting, taking Travis' handgun. On another night, teenage prostitute Iris enters Travis's cab, attempting to escape her pimp Matthew "Sport" Higgins. Sport drags Iris from the cab and throws