FIGG combines DNA testing with genealogical research to analyse genetic relationships between individuals who share very small amounts of inherited DNA with the crime scene DNA sample, using genealogy databases and publicly available records.
This is a companion discussion topic for the original entry at https://www.sciencemediacentre.co.nz/2023/10/06/police-to-trial-genetic-investigative-tool-to-solve-cold-cases-expert-reaction/