testified the sand particles later found in her panties matched sand on the beach, not soil from the lond. he also concluded two other possibilities that the lawn soil contained 20% sand and the sand could have been transferred to the lawn by a wet mr. smith himself. >> if the defendant was wet and running up the beach, on march 30, 1991, picking up sand, some of that sand could stick to his body, couldn't. >> yes as long as he was wet. >> so there's no way of knowing precisely what was on the dress at the time that took place at 4:00 a.m. march 30, 1991. >> in the sense of some of whatever was on the dress could've been lost, that's correct. >> those samples were contained in her underwear. >> to i consider it significant. >> yes, of course.