At this point, Zimmerman follows Martin, eventually losing sight of him. The dispatcher asks, “Are you following him?” When Zimmerman answers, “Yeah,” the dispatcher says, “We don’t need you to do that.” Zimmerman responds, “O.K.” This is probably the best-known part of the exchange. The dispatcher says don’t follow him, one theory goes, Zimmerman does anyway, and that causes the fatal confrontation. But this view of the facts obscures the earlier part of the call—when the dispatcher appears to be asking Zimmerman to follow and report the person’s movements. The call ends when Zimmerman gives the dispatcher information about how the police should find him (Zimmerman, that is) in the complex. Zimmerman asks that the police call him upon their arrival so he can provide his location. Zimmerman ends the call at 7:13 P.M. The first police officer arrived on the scene at 7:17 P.M., by which time Trayvon Martin was already dead.