命案作为严重危害人民群众生命安全的恶性案件,公安机关历来高度重视其侦破与预防。但是,命案犯罪嫌疑人时常会拒供,要么时供时翻,影响了对命案犯罪的打击力度。因此,侦查机关如何有效应对命案犯罪嫌疑人的拒供,既关系到命案收集证据工作的成效,更攸关命案侦查、定案乃至整个诉讼的成败。 Homicide case As a vicious case that seriously endangers the lives and safety of the people, the public security organ has always attached great importance to its detection and prevention. However, murder suspects often refuse to provide, or when the turnaround, affecting the homicide crackdown efforts. Therefore, how the investigation organ effectively responds to the denial of criminal suspects’ homicide is not only related to the effectiveness of the evidence collection in the murder case, but also to the success or failure of the investigation and finalization of the murder case and the whole lawsuit.