A Charleston man charged with killing an ex-girlfriend will be back in court July 16^th for a jury trial in Jackson!  28-year old Maurice Davis was arrested December 12^th, 2010, in the killing of a 23-year-old Charleston woman.  Latosha Greer of Charleston was found in a back yard, with a gunshot wound to her head.  The murder weapon was recovered.  Davis is jailed on charges of 1^st-degree murder and Kidnapping.  His case was moved to Cape County on a change of venue.  Judge Ben Lewis is presiding over his trial.  But a mistrial was declared Tuesday after they were unable to seat a qualified jury. Davis faces up to life in prison without parole if convicted.  The prosecutor is not pursuing the death penalty.