一枚残缺的血掌印,在检验鉴定中,经两次否定到最后的认定,其中的教训发人深省。本文所述是笔者亲自经办的一起杀人抛尸案现场血掌印的检验鉴定。1994年3月23日晚,湖南籍女青年罗美华(21岁)被人杀死在广东省惠阳市横沥镇乌水公路16公里处的一辆黑色皇冠轿车内。现场勘查中,在右前门玻璃上侧位发现有残缺的血掌印一枚,拍照提取。1994年12月30日,侦查人员送来重大嫌疑人刘光荣(男,24岁,广东惠阳市永湖镇人)的手掌印样本,要求鉴定:血掌印是否为刘光荣所遗留。受理后检见:照片中的掌印纹线较清晰,而其右侧正贴的比例尺则显模糊不清,呈“虚状”。从纹线结构形态分析,为右手掌外侧部所遗留,在其后端位有似“三角”和“半圆弧”纹线,分析为箕型或斗型纹线。细检:见纹线中的皱纹粗大、连贯有细节特征近20个,具有较高的鉴定价值。送检的嫌疑人刘光荣手掌印样本,其右手掌外侧部无似“三角”和“半圆弧”纹线,其纹线流向和皱纹从形状到位置均与现场掌印有明显的差别。以 A crippled blood palm print, in the test appraisal, after two negatives to the final identification, the lessons of which thought-provoking. Described in this article is the author personally handled with a murderous cast case on the scene of the blood palm India’s test identification. On the evening of March 23, 1994, Luo Meihua (21), a young female from Hunan Province, was killed in a black crown sedan at 16 kilometers along Wushui Road, Hengli Town, Huiyang City, Guangdong Province. Scene investigation, in the right front door glass found on the side of a bloody palm print one, photo extraction. On December 30, 1994, the investigators sent samples of the palm prints of the major suspects, Liu Guangrong (male, 24, Yonghu, Huiyang, Guangdong Province), and demanded the appraisement whether the blood palm prints were left behind by Liu Guangrong. After the admissibility inspection: photos in the palm print lines clearer, while the right is posted on the scale was vague, was “virtual ”. From the analysis of the pattern of the ridge structure, left behind from the lateral part of the right palm, there are “triangle” and “semicircular arc” lines at the rear end, which are analyzed as a scalloped or scalloped pattern. Fine check: see wrinkles in the thick lines, consistent with nearly 20 details of the features, with high appraisal value. The submission of the suspect Liu Guangrong palm print samples, the right palm outside of the Department like “triangle ” and “semicircular arc ” lines, the lines flow and wrinkles from the shape to the location of the scene with the palm print obvious The difference. To