A Suffolk Superior Court jury found one of the defendants not guilty and the other defendant will be tried again because of a deadlock.
Edward Washington was acquitted on all charges in the 2010 murders of Eyanna Flonory, her 2-year-old son, Amanihotep Smith, Simba Martin and Levaughn Washum-Garrison.
Dwayne Moore was found not guilty on a drug charge, however jurors were unable to reach a verdict on his murder charges after seven days of deliberations.
The judge declared a mistrial on those indictments.
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