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This FBI Laboratory file concerns the 1992 deaths of Dina, Sara, Adam, and Gail Spiro in Rancho Santa Fe, California, and the separate death investigation of Ian Spiro. The San Diego County Sheriff's Department sent bloodstained evidence from the Spiro residence, including a bathrobe and seven red-stain samples, to the FBI for DNA testing in January 1993. The records include evidence inventories, laboratory worksheets, blood-examination notes, shipping material, and a March 1993 FBI laboratory report. The FBI reported limited DNA findings from several stains, including results that excluded Sara Spiro as a potential contributor to certain samples, while identifying Ian Spiro's DNA type as consistent with those samples along with Dina Spiro's type.

FBI file number: 95A-HQ-1043310 | Documents span: 1992-1993 | Released in 1 part
Names in this file: Ian Spiro, Dina Spiro, Sara Spiro, Adam Spiro, Gail Spiro
Subjects: homicide investigation, death investigation, DNA analysis, forensic evidence, San Diego County