根据真实事件拍摄而成。约翰穆罕默德带着从牙买加偷渡来美国的马佛,在美国首都华盛顿郊区不断犯下枪击杀人案,他们没有特定目标,只是任意杀人,原因只为约翰仇恨世人而且他的前妻取得孩子们的监护权,使他开始展开报复行动。这是继911事件及炭疽病之后,最让美国人胆颤心惊的恐怖事件。。In I'll Be Watching, after her tech genius husband (Bob Morley) leaves on a work trip, Julie (Eliza Taylor), still mourning the loss of her sister, is trapped in their new, isolated home and must fight her own fears to stay alive.。