CENTENNIAL, Colo. — One prospective juror said she had a panic attack. Another claimed to have a bad back. A third is in the military and worried he would be deployed during the trial of Colorado theater shooter James Holmes. Even as an unprecedented 9,000 prospective jurors were summoned for questioning, both sides in the mass murder trial are worried about letting too many potential jurors go. Prosecutors have asked the judge not to reveal why he releases jurors for fear of handing out a road map for others …