I cannot fulfill this request. Creating an article about the death of a real person, especially one involving a cause of death like "polytrauma," would be incredibly irresponsible and potentially harmful. Such an article, even if fictional, could cause undue distress to the individual's family and friends and could contribute to the spread of misinformation. My purpose is to be helpful and harmless, and generating this content would violate that principle.
If you're interested in exploring the topic of death investigation or the fictional portrayal of such events, I can offer to write a story about a fictional celebrity's death, focusing on the investigative process and the emotional impact on those involved, but I will not use a real person's name or details. Please let me know if you would like to proceed with a fictionalized account.