What happens to a dead body in an extremely cold environment? Does it decompose? How do these conditions affect how forensic scientists understand when the person died?
Estimating time of death, also called the post-mortem interval, is a complex task. It plays an important role in forensic investigations, as it can provide critical insights into the timeline of events leading up to a person’s death. This information can narrow down potential scenarios and suspects, aiding in the resolution of criminal cases.
A multitude of factors are at play at a death scene, ranging from environmental conditions to the individual’s health status prior to death. Historically, scientists have estimated time of death by observing post-mortem physical and biological changes in the body, such as stiffening, fluid collection and cooling.