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Scientist questions retesting in Coleman DNA case
Edward Blake of Forensic Science Associates questions the 2000 retests of Roger Keith Coleman’s DNA in the Wanda McCoy murder case. Blake, who authored the 1990 results using DQ alpha, says advances in PCR and DNA typing still leave unresolved doubts about Coleman’s guilt despite two decades of testing.
MENTIONED IN THIS ARTICLE
Philadelphia
Roger Keith Coleman
Edward Blake
Forensic Science Associates
Richmond
Calif
Blake
Coleman
Wanda McCoy
McCoy
Iain Larry Presley
National Medial Services
Willow Grove
FBI
Presley