Untraceable engenders a reaction that is one part fascination, one part disappointment, and two parts frustration. The film, which has the ingredients for a thoughtful, tense thriller throws away a compelling first half so it can descend into silliness and clichés. For a movie that works overtime to establish credibility during its first half-hour, Untraceable leaves no predictable, formulaic stone unturned in its rush to a jaw-droppingly stupid conclusion. It's almost as if the filmmakers who made the first two acts were replaced by Uwe Boll collaborators for the final 40 minutes. Then again, it's possible to believe this of director Gregory Hoblit, who achieved something not dissimilar with his previous feature, Fracture.
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