Using untried actors, Van Sant shows us children behaving like adults and vice versa, and this confusion of accepted roles gives a sinister logic to the shoot-out, which is a disastrous culmination of adult anxieties, teenage rage and childish irresponsibility. Once there, though, he tumbles into the trap that a thousand cinematic shoot-'em-ups have set for him: the complex, quietly devastating build-up gives way to simplistic shock tactics.