Dossier
forensic genealogical DNA
Coverage of forensic genealogical DNA in the Nexus archive.
- DNA breakthrough leads to arrest in grisly 33-year-old cold case investigators never gave up on
A 33-year-old cold case murder in southern Illinois was solved using forensic genealogy and DNA evidence, leading to the arrest of Albert L. 'Buddy' Zigler for the 1993 killing of Randy Gail Sperino. Prosecutors credited advancements in DNA technology and decades of investigative persistence.