Family trees could provide investigative leads. Investigative Genetic Genealogy (IGG) combines new DNA analysis techniques with traditional Genealogy (the study of family history & tracing of family lineages) to identify leads in criminal cases and unknown remains using commercial DNA databases. Your DNA helps you learn more about your family. It could also help other families by solving some of WA's worst crimes. An unknown male DNA profile was recently handed over to the Investigative Genetic