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Commonwealth of Pennsylvania v Henry Little-Proctor and Rashawn Walker

Shooting in McKeesport kills pregnant mother of five

Crime 25-year old Susan Sidney was pregnant with her 6th child when she was found dead on January 27, 2014. She had been fatally shot.
Evidence A witness was pulled over two days after the shooting. The murder weapon and three other pistols were in his possession.
DNA The Allegheny crime lab developed DNA mixture data from four different pistols.
Match Due to the complexity of the DNA mixture, the lab was unable to produce a match statistic using manual methods of DNA interpretation.
TrueAllele On the same data, the computer connected Walker to the murder weapon with a match statistic of 245 trillion. Proctor matched a pistol found with the murder weapon with a statistic of 243 billion. The key witness was also matched to the murder weapon.
Cybergenetics    On September 25, 2015, Dr. Mark Perlin testified at a trial in Allegheny county.
Outcome Due to discrepancies in the witness’s story, the jury did not trust his testimony against the defendants. Both Henry Little-Proctor and Rashawn Walker were found not guilty.
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