The tech helping crack decades-old cold cases
Summary
Investigators solved a 30-year-old murder case using advanced DNA technology and artificial intelligence (AI). A company called Othram used DNA from relatives in consumer databases to identify the killer, and AI helped police organize thousands of pages of case information to focus their efforts.Key Facts
- Randy Gail Sperino was murdered in 1993, and her killer was unknown for decades.
- Traditional DNA tests could not find a match in law enforcement databases.
- Detectives sent DNA evidence to Othram, a company specializing in investigative genetic genealogy.
- This technique uses DNA from distant relatives in commercial ancestry databases to help identify suspects.
- The DNA clues led police to Albert "Buddy" Zigler, who confessed and was charged in 2024.
- AI software called Centerline AI helped analyze over 2,000 pages of case files to find important evidence.
- Investigative genetic genealogy combines DNA data with public records to build family trees.
- This approach is seen as a new tool to solve cold cases and identify unidentified remains.
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