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Suspect in 1983 homicide identified through genealogy – Updated Sept. 2023

Updated September 19, 2023 – Michigan State Police, with the assistance of Michigan State University students participating in a cold case internship, announced on September 14, 2023, that they were able to link Charles David Shaw to the 1982 homicide of 16-year-old Kimberly Louiselle. Shaw was previously identified as the perpetrator in the 1983 homicide of 19-year-old Christina Castiglione through Forensic Genetic Genealogy paid for with a grant from Season of Justice. After Shaw was identified, his DNA profile was uploaded to CODIS and subsequently matched to DNA recovered from evidence in Kimberly’s homicide. Investigators are currently looking at the possibility of additional victims of Charles David Shaw and are asking that anyone with potential information about Shaw’s criminal activity between 1970 and his death in 1983 contact Michigan State Police. Read the full story here

Wednesday, February 22, 2023 – In early 2022, Season of Justice funded advanced DNA analysis and Forensic Genetic Genealogy for Livingston Co. Sheriff’s Department (Howell, MI) in the 1983 unsolved homicide of 19-year-old Christina Castiglione. Thanks to the dedicated work of Livingston Co. investigators and analysts at Othram Labs, Christina’s killer has been identified as Charles David Shaw. Shaw passed away nearly 8 months after Christina’s murder, but with the use of Forensic Genetic Genealogy and cooperation from Shaw’s living relatives, investigators were able to confirm Shaw’s involvement. We want to extend our gratitude to the Livingston Co. Sheriff’s Department, their volunteer cold case unit, and Othram Labs for their hard work bringing this nearly 40-year-old case to a close. We hope this brings peace to the Castiglione family.

Watch the full press conference below.