白炽灯上的陷阱

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春季的夜晚,依然凉气袭人。斯科特警长裹紧外套,在屋子里四处走动。二十分钟前他接到报案,城北的一座公寓内发生了命案。案发现场是二楼西户的客厅内,独居的青年男子被人用刀杀死了。尸体躺在西面窗户前,胸口插着一把刀。窗户开着,没有损坏的痕迹,外面有一个长梯架在窗沿。警长让法医若琳仔细检查刀和尸体,自己则借着白炽灯的光亮查看着现场。房东讲述了发现尸体时的情况:“晚上八点多我打扫楼道卫生时发现 Spring night, still cool person. Scott sheriff wrapped tightly in the house, moving around. Twenty minutes ago he received a report, murder occurred in an apartment in the north of the city. The scene of the crime scene is on the second floor of the West living room, single young men were killed with a knife. The body lay in front of the western window with a knife in his chest. The windows are open, there is no sign of damage, and there is a long ladder outside the window. Sheriff asked the forensic if Lin careful examination of the knife and the body, herself by the incandescent light look at the scene. The landlord told us about the situation when he found the body: ”When I cleaned the corridor hygiene at eight o’clock
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