1案例资料1.1简要案情及现场勘查刘某,女,81岁。某年1月3日18时许外出未归,次日8时许被发现仰卧于村道右侧的排水沟内,已死亡。现场为村道转弯下坡处,排水沟深20cm宽55cm,沟内土质干燥、松软,无石块等硬物;现场周边平坦。死者身穿厚棉衣裤,衣服未见撕裂损坏;头部着地处有一小凹陷。距尸体3.2m、1.8m处的路面右侧有手电筒1只、黑色塑料碎片等。 1 case data 1.1 brief case and site investigation Liu, female, 81 years old. One year on January 3 at 18 o’clock on the 3rd did not return, the next day 8 o’clock was found supine in the village on the right side of the drainage ditch, has died. Turn down the scene for the village road, drain depth 20cm wide and 55cm, trench soil dry, soft, non-stone and other hard objects; the scene around the flat. The deceased was wearing thick cotton underwear, no tearing damage to clothes; there was a small depression in the head. 3.2m away from the body, 1.8m at the right side of the road there is a flashlight, black plastic debris and so on.