这个是否抓伤在受害者手指缝里面应该有罪犯的皮屑血迹什么的 http://www.listown.com/group/raymond-clark-yale-lab-technician-picture-6606
A source close to Clark’s family confirmed to The Post that he was the
person who failed a polygraph test administered by authorities and that he
also was the one with scratches on his chest — two key points that law-
enforcement sources have made about one person they are looking at.
"He did not pass the polygraph test. ... But of course, they don’t always
run true anway, especially when you
