depression and side-effects from the depression. when is the last time you and kim had sex. a while back. when you say a while back. weeks. derek dorsey had something else to reveal. either one of you stepping out. girlfriend on your behalf. he readily said there is a lot going on here. derek just admitted he had been unfaithful to kim. a big, big red flag. the assistant state attorney was listening in on the interview from another room and hearing a possible motive for murder. he was living two different lives. we had to figure out what was his true passion. did he want to live there with kim or did he want the seedier darker side of his life. there was another fact that he couldn t overlook that he did
the unthinkable at a crime scene. was she covered up when you got there? no. she was naked on the floor. you covered her. you pulled that on top of her. yeah. that is important to us. the thing that he did that was uncharacteristic of someone that is a first responder that goes to scenes like this, he covered her body with the bedding, you know. you wouldn t want that to happen in a crime scene. to the investigators it was possible that derek dorsey 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 derek. i am not stupid. that means you are thinking certain things.
he said their marriage had suffered. when is the last time that you and kim had sex? a while back. a while back? when you say a while back like weeks. reporter: derrick dorsey had something else to reveal. were either one of you stepping out, you know, girlfriend on your behalf or boyfriend on hers? i do. okay, you got a girlfriend. i said, what about a girlfriend? you got a girlfriend? and he readily said, there s a lot going on here. reporter: derrick had just admitted that he d been unfaithful to kim. obviously, big, big red flags. reporter: assistant state attorney london kite was listening in on the interview from another room and hearing a possible motive for murder. he was living two different lives. we really had to figure out what was his, you know, true passion. did he want to live there with kim or did he did he want the more seedier, dark side of his life? reporter: there was another fact she couldn t overlook. that derrick, a seasoned firefigh
as detectives interviewed derrick dorsey downtown did you text her yesterday? reporter: their colleagues were searching for clues across town. a man s castle was now a crime scene and a confusing one at that. assistant state attorney london kite. this was a real puzzle? it was. the kitchen was just torn apart. the drawers were pulled out. and then these electronics were in the sink. and then her bedroom torn apart. we didn t know really where 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 what it s looking like? looks like that.