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Bodies of Evidence: Mystery Solved By Dana Austin, Ph.D., DABFA Tarrant County Medical Examiner’s Office Fort Worth, Texas
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Unidentified Female Skeleton 1993 Bones were recovered in May 1993 Body was evaluated at the Johnson Co. Medical Examiner and biological profile data were submitted to NCIC
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Unidentified Female Skeleton 2003 Cold case squad re-looked at case in 2003. Brought bone sample to Texas Missing Person’s DNA database Skeleton brought to Tarrant County Anthropologist for analysis and facial reconstruction
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Findings: Re-analysis of Skeleton White Female Aged 16-23 5’4” – 5’9” Postmortem interval greater than 5 years (prior to discovery in 1993) DOB probable range = 1952-1972 Date missing estimate = 1975-1988
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NCIC Data Entry Entry modified with new biological profile and re-run against possible missing females Assistance from the Texas Missing Persons Clearinghouse
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Housed under the Texas DPS Criminal Law Enforcement Division, Special Crimes Service MPCH was established by the 69th Legislature, regular session in 1985. 1986 MPCH became operational
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Central repository for information pertaining to missing persons and unidentified living/deceased. Assists law enforcement, families, non-profit organizations, and the general public in handling matters involving missing and unidentified persons. Publication/distribution of photos Training for law enforcement Analytical support (including NCIC entry)
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Jane Doe 1993 Possibilities Approximately 79 possible matches were received 31 eliminated from further consideration due to age discrepancy, postmortem interval deviation, and/or inconsistent dental 48 tentative matches
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Johnson Co. Sheriff’s Office Mark Thompson tracked down the originating departments on these MP Received dental records or Encouraged family to submit reference samples to Texas Missing Persons DNA database
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August 2003 Rica Garcis from North Richland Hills P.D. revaluates a file on a missing female She determines that female is still missing With help from the Texas Missing Persons Clearinghouse she tracks down the mother and assists in getting a DNA sample to the Texas Missing Person’s DNA database
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Texas Missing Persons DNA Database Housed at UNTHSC in Fort Worth Funded by State Legislation in 2001 Extractions begun March 2003 Accepts cases of unidentified remains and relatives of missing persons First lab to use CODISmp software
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Texas Missing Person’s DNA Database Current Profiles for Unidentified/Missing 17 Unidentified remains 17 Unidentified remains 260 Relatives of Missing Persons 260 Relatives of Missing Persons 7 identifications to date 1 st Id in August 2003
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National DNA Index System NDIS Current Profiles for Unidentified/Missing 158 Missing Persons 158 Missing Persons 415 Relatives of Missing Persons 415 Relatives of Missing Persons 203 Unidentified Remains 203 Unidentified Remains
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June 2004 A break in the case The Texas Missing Persons DNA database identifies our skeletal remains The mother’s DNA was found to match the DNA extracted from a bone—probability of maternity = 95.21% This was the first COLD HIT for the database
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Lessons in Identification Why hadn’t we come up with her name earlier? This female was eliminated because her dental didn’t match! Dental information was incorrectly coded in the original NCIC entry This female would not have been identified if not for DNA database
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Case Summary Female disappeared in 1982 when she was 19 years 11 mos old Her partial skeletal remains were discovered in 1993 Re-analysis of her skeleton showed evidence of homicide and a longer postmortem interval
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Case Summary Her skeletal remains were identified through a DNA database thanks to the hard work of two police agencies The homicide investigation is in progress
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TX Missing Persons Clearinghouse Toll-Free Help-line 800-346-3243 TX Missing Persons DNA Database Steven Gammon 817-735-0188 National MP Database: Dr. J.E.B. Stewart, FBI 703-632-4589 Thanks to John Planz, UNTHSC And Patricia Blake, TMPCH
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