给后世法医鉴定学留下重大影响的宋代提刑官宋慈,在年轻的时候也做过一段时间小官。一天一个胖子跟一个瘦子互相扯着来到衙门报案。胖子言辞凿凿说瘦子借他的金子不还,瘦子打死也不承认。宋慈想了想就问胖子:“你是在什么时候给他金子的,具体地点呢,证人呢?”胖子:“没有证人,证人是村里的一棵老槐树。”宋慈一听哈哈大笑:“那好啊,你说老槐树是证人,那你去找你的证人给我要两片树叶。”胖子一转身还真去了,瘦子暗自得意。等了一会儿不见回来,宋 Song Ci, a prosecutor who left a significant impact on forensic science in later generations, also worked as a junior officer in his youth. One day a fat man and a thin man pulled each other to the Yamen report. Fat words made it clear that thin lend his gold is not also lost, do not recognize the thin dead. Song Ci thought would like to ask fat: “When did you give him gold, the exact location of it, witnesses?” Fat: “There is no witness, the witness is the village of an old locust tree. Listen laughed: ”Well, you say that the old locust tree is a witness, then you go to your witness gave me two leaves. " Fat man turned to go really, thin secretly proud. Waiting for a while did not come back, Song