1案例资料1.1简要案情及现场勘察某冬日凌晨,在某居民楼7楼尚某(男,36岁)家发生一坠楼事件,死者刘某(女,21岁,尚某的同事女友),仰卧状于2单元2楼的入楼天桥北侧。死者外衣呈解开状,下穿长裤的左腿外侧和右膝有明显灰尘。双手有许多灰尘。脚穿丝袜、女式高跟皮鞋,鞋表面有明显的擦拭痕迹,双鞋底均见少量黄褐色样物质沾附,右鞋前掌可见擦划痕迹。尸体头侧有50cm×50cm的血泊,对应天桥水泥护内侧边缘上见点状血迹。在相当于5~6楼梯间位置的楼外有距 Case Information 1.1 Brief Case Studies and Site Investigation In the early hours of winter morning, a deceased housemate Liu (female, 21 years old, Shang Mou’s girlfriend of his own friend), was on the 7th floor of a residential building, Shang Mou (male, 36 years old) Supine on the second floor of Unit 2 into the north side of flyover. The deceased coat was untied, under the left leg outside the trousers and the right knee has obvious dust. Hands have a lot of dust. Feet wearing stockings, women’s high-heeled shoes, shoes surface obvious wipe traces of both see a small amount of soles yellow soiled substance attached to the right forefoot visible scratches marks. The body of the head side of 50cm × 50cm of blood, corresponding to the inner edge of the bridge cement see punctate blood spots. There is a distance from the outside of the building, which is equivalent to 5 to 6 stairs