How AI is revolutionizing time of death estimations

How AI is revolutionizing time of death estimationsResearchers use AI and blood chemistry to predict post-mortem intervals, improving forensic investigations even days after death. Written By: Shy Cohen/Edited By: Joseph ShavitPublished Apr 4, 2026 1:07 PM PDTAI models trained on blood metabolites can estimate time since death with a precision of about one day, aiding forensic investigations. (CREDIT: AI-generated image / The Brighter Side of News) Share this storyThe faint chemical traces in human blood can tell a story even after death. In laboratories at Linköping University and the Swedish National Board of Forensic Medicine, researchers have tapped into these traces, showing that the passage of time after death can be estimated with remarkable accuracy using artificial intelligence. Their findings suggest a major shift in how forensic investigators might pinpoint the moment life ended.“Death is a strong biological signal,” says Rasmus Magnusson, postdoctoral fellow at the Department of Biomedical Engineering, IMT, at Linköping University. He led the study that trained AI models to track subtle chemical changes in the blood that unfold after death. These molecules, known as metabolites, break down in predictable ways, providing a biological clock for scientists to read.Following Metabolic FootprintsThe research capitalizes on the body’s natural decomposition. After death, tissues deteriorate, and organs cease their usual metabolic activity. This breakdown leaves behind...