Ex-employees say they saved dentist's syringes Workers testify they were suspicious of Hall's actions with patients KAREN GARLOCH Staff Writer RALEIGH - Two former employees of Cornelius dentist Dr. John Hall became suspicious of his behavior in May 2003 and, over the next few months, collected five syringes from his office that were found to contain his semen, according to testimony Saturday before the N.C. Board of Dental Examiners. Cheryl Lynn MacLeod of Concord said she found it unusual when Hall began asking her to leave a patient's side to retrieve items that he didn't end up using, when she...