x

Estimating a post-mortem interval

Estimating a post-mortem interval

Timeline showing body cooling, rigor mortis, livor mortis and decomposition changing over time after death

Forensic scientists usually estimate a post-mortem interval, or PMI, rather than the exact minute of death. PMI means the time that has passed since death, and the best answer is normally a range.

Forensics and time of death Lesson

  1. A Level
  2. /Biology
  3. /Forensics and time of death

Step-by-step lessons covering Edexcel A A Level Biology Forensics and time of death for A Level Biology. Each lesson works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Build a strong foundation in cell biology and biochemistry early on, since later topics on genetics, ecology and physiology all draw on these core concepts.

Lessons