1案例资料2006年2月,某市发生一宗入室盗窃案,门锁完好,窗户防盗网完好无损,经检验,原配钥匙没有配过。对锁检验如下:圆头弹子平端面的一侧边缘有摩擦痕,锁体弹子孔边缘的棱角被倒平。在与被磨损的弹子孔边缘同侧的锁芯孔壁上,有摩擦痕迹。技术人员根据以上痕迹特征,排除了钩状 1 Case Information February 2006, a city burglary case, the door lock intact, the window security net intact, after inspection, the original wife did not match the key. Lock on the test are as follows: round head flat side of one side of the friction marks, edge of the lock body pinhole edges are flat. On the same side of the cylinder bore as the edge of the pin hole, there is frictional markings. Technicians based on the above trace features, excluding the hook shape