배수로에 유기된 동물사체를 이용한 장기미제사건의 사후 경과시간 추정
Estimation of Postmortem Interval in Cold Case using Animal Carcass Abandoned in Drainage Canal
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초록
시체는 방치된 환경에 따라 다르게 변화되므로 시체 주변의 환경을 이해하는 것은 사후경과시간 추정에서 매우 중요한 일이다. 본 연구는 ’09년 제주지방경찰청 장기미제사건의 사후경과시간추정과 관련하여 변사자가 발견된 배수로라는 특수한 상황과 제주도 2월 기상조건으로부터 동물사체를 이용하여 직장온도와 대기온도의 관계를 정량적으로 분석하고, 시체강직의 형성정도, 해부 후 장기의 부패여부 등 사후변화를 통하여 추정된 사후경과시간 추정을 검증하고, 사후경과시간 추정을 위한 객관적 사실들을 제시하였다. 특히, 배수로 안쪽온도, 피부온도, 직장체온의 변곡점 시간을 비교한결과, 배수로 안쪽 온도가 최고로 상승하면 피부온도는 1시간 후 직장온도는 5시간 후 최고로 상승하였다. 또한, 배수로 안쪽온도가 최저로 하강할 때는 피부온도는 2시간 그리고 직장온도는 4시간후에 최저로 하강하는 것으로 확인되었다.
Abstract
The postmortem changes may vary depending on the environment where body was exposed. So it is crucial to understand the surrounding environment of the body in estimation of postmortem interval(PMI). In relation to PMI estimation of the cold case of Jeju Provincial police agency in 2009, this study aimed to analyze quantitatively the relationship between rectal and ambient temperature by animal experiments regarding special circumstances that the victim was found inside the drainage canal and the weather conditions of Jeju in February. The estimated time of death was verified based on postmortem changes such as degree of rigor mortis and organ decomposition after autopsy, and objective facts for PMI estimation were presented. In particular, comparing the time of inflection point of drainage canal, skin, and rectal temperature, when the temperature inside the drainage canal increased to its highest, it increased to its highest after an hour for skin temperature and 5 hours for rectal temperature. In addition, it has been found that when the temperature inside the drainage canal decreased to its lowest, the skin temperature decreased to its lowest after 2 hours and rectal temperature after 4 hours.
참고문헌 (17)
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