that derrick, a seasoned firefighter, had done the unthinkable at a crime scene. now was she covered up when you got there? no, she was buck naked on the floor. i put the after rescue came, pronounced her dead, i was like, jesus, guys, guys. so i covered her. so you pulled that on top of her. yeah. they saw me do it. okay. that s important to us. the thing that he did that was, kind of, uncharacteristic of someone who is a first responder that goes to scenes like this is that he covered her body with the bedding. you know, you wouldn t want that to happen in the crime scene. reporter: to the investigators, it was possible derrick dorsey had tried, literally, to cover up evidence. everything they were hearing led them to wonder, had he killed his wife? by then, the line of questioning seemed to weigh on derrick. i m not stupid. you re asking me certain questions in certain ways. right. and that means you re thinking certain things. did someone harm her? is that w
now he needed to know why not. he does the murder. where did he go next? i know this. when they got to his house, he had wet clothing hanging in his bathtub. one pair of pants, one shirt. it s one outfit that needed washing on the day he told us he was going to go to his brother s to do the wash. what is it about that one outfit that needed a washing that day? back in 1985, those clothes were tested for blood using a chemical called luminol. when you spray it on the clothing, it will luminesce when you have body fluids. blood will luminesce. turns out they were glowing in two important areas. when they tested them for blood, they were negative for blood. something is there but it s not blood. now two decades since archie mcfarland s murder, wallace found janos clothes. they were still in the evidence locker.
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