MSNBC Dateline May 9, 2021 05:39:00
Some of the blood must-have wound up on him, on his clothes. wallace new this crime lab never found a trace of blood back in 1985. but now he needed to know why not? >> he does the murder. where did he go next? i know this, when he got his house, he had wet clothing hanging in his bathtubs. there was one pair of pants, one shirt. in other words, it's one outfitted that needed washing that day. on the day he told us he was going to do his marching at his mothers. so what is it about this one outfit that needed washing that day? >> back in 1985, those clothes were tested for blood. using a chemi...