笔者总结了四十多年现场勘查和刑事侦查工作实践,参阅有关文献资料,从理论和实践结合上,提出了对犯罪嫌疑人条件分析,用划分的方法将其限定某个范围和设定某个条件之内,系统地刻画了犯罪嫌疑人条件简模型——4个大项,15个小项,亦称《4·15》简模型。 The author summarizes more than forty years of site investigation and criminal investigation work practice, refer to the relevant literature, combined with the theory and practice, put forward the conditions of criminal suspects, with a division of the method to limit a certain range and set a A condition, systematically depicts the suspect condition simple model - 4 large items, 15 items, also known as “4.15” Jane model.