sentences:  Many years after the trial, Dr. Cyril Wecht, a board member of the American Board of Legal Medicine, has testified that, "[I]t is my professional opinion, based upon a reasonable degree of medical certainty, that the gunshot wound to [Lt.] Ronald D. Oliver is not consistent with the type of ammunition used by Mr. Philip R. Workman.I do not believe that it was Mr. Workman's gun that fired the shot that fatally wounded [Lt.] Oliver.