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LAW ENFORCEMENT SENSITIVE d. Mitochondrial DNA Examination: b6 b7c (1.) Till Family Genealogy: The data presented on the chart below was provided wf | other data sources, and verified through vital records checks." 222, 223 prc ee eae =E eae aed : Hi 4 (2.) Laboratory Results: A blood sample and two buccal swabs were obtained fron{—_—————~«ifor mtDNA comparison purposes.””* A piece of muscle tissue was obtained from the remains exhumed on June 1, 2005. The mtDNA sequences obtained from the bé | BIC specimens contributed bf and the muscle tissue from the remains are the same. Therefore, Emmett Till cannot be excluded as the source of the muscle tissue. A search of the mtDNA population database available at the time of testing revealed two observations of this sequence in the African American population, with 1,148 individuals represented. The upper bound frequency for this occurrence is .42%.**° Misc o/s _ LAW ENFORCEMENT SENSITIVE This document contains neither recommendations nor conclusions of the FBI. it is the property of the FB! and is loaned to your agency: it and its contents are not to be distributed outside your agency. i