she loved life. just, a lot of fun. but, now, after 25 years of marriage. two boys, a prosperous life, kathy wang s life had ended, in one terrible morning. how did it happen? mark told investigators, he thought it was probably the water heater. so, they check that out. the allen county prosecutor was concerned by what they didn t discover. prosecutor, jurgen wall dick, unexplained deaths and allen county. we walked around the house, we looked the water heater, we looked at the other appliances, the gas furnace, the gas logs. the garage. also, the bedroom. we re kathleen wynne who died. they couldn t find a problem with any of the appliances. we just couldn t find a source. for the carbon monoxide? right. because the appliances, at that point, appeared to be working properly. investigators now had a
money. kathy got mad at mark a lot. diana recalls what happened right after they took this family portrait. mark and kathy were fighting, again. she got in the car, the boys got in the car, mark was hanging on the side of the car, and kathy was driving away, yelling at him. at one point, one of the boys jumped out. there was a lot of yelling in kathy left with the boys. mark wrangler admits that things did go downhill, after the boys love for college. he says, kathy would get deeply depressed. with the boys being gone, she kind of lost her purpose in life, i would say. were you working on it? were you trying we were in counseling. and then, she was gone. kathy s family knew she had been sleeping upstairs, while he was downstairs. but, then they heard when mark had told investigators. the collective alarm went off. mark said, he was sleeping with
it was kind of like the white elephant in the do. none of us really want to talk about it. it the police weren t calling us. i felt as if nothing was getting done. so diana decided that she had enough. i actually called mom, and she actually called, the sheriff s department. i said, we have so many questions, and nothing is being answered. it wasn t just questions that kathy s family had, they also had suspicions about mark. because, they knew something. the way angler marriage was a disaster. they wanted police to know the problems went back years. kathy had told me, basically, mark had an affair. that couldn t have been easy for you sister. she could never forgive him for that. they managed to carry on, but over the years, kathy s family remembers severing tensions, that could erupt into open warfare. they say, mark thought kathy gain too much weight. she wouldn t clean the house. she s been huge amounts of
in april of 2007, seven months after kathy s death, detective breitigan got a search warrant for the when you are home. he had a videotape running, his officer sees the computer, papers, and mark s journals. detective breitigan says the journals really caught his attention. you have to read the whole thing. i cannot explain that, i wish i could. he was at the end of his rope. i think he felt trapped. but, now, all these months later, marco anglers life was on the upswing. he had reconnecting with an old friend, who shared his fate, esther van dine. a romance blossomed. you ended up getting married, i think about a year after kathy s death? 14 months, correct. some people might think that s pretty fast to bounce back. we ve heard that. the wedding bells had barely stopped ringing, when detective breitigan got a second search
he was acting like he was crying, but i didn t see normal stuff when you cry. in the days that followed kathy s death, investigators tested and retested the water heater and other appliances. prosecutors reminded the jury, there was no sign that any appliance had accidentally released carbon monoxide. that was the crux of the case. it either had to be the hot water heater, or was murder. that s the bottom line. if it was murder, how would you done it? prosecutors believe that mark wrangler closed all the heating vents, except for the one in kathy s room. then, he must of shut the doors to the phone s room, except for the one leading the garage. he could ve started a car, or a generator, or maybe both, filling both with carbon monoxide. the carbon monoxide within find the only open path, down the stairs, into the furness. the deadly gas within travel through the heating ducts and