is a junk science as applied to the facts of this case. you will find that there is reasonable doubt, you may even find that the water heater did it. regardless, you will not find that dr. wangler murdered his wife. because he did not. when dateline continues.
the hospital, that she was cold. which would ve been unusual for someone who was just minutes before breathing in a heartbeat? that s correct. the e.r. doctor backed him up on that. she had rachael temperature that was quite low. my documentation said it was like 94. the doctor also testified the body seem to be getting stiff. it seemed like she had been dead for a while. in other words, dead before her husband called 9-1-1. there was more. the prosecution suggested mark wangler s grief was phony. what was his emotional state that you observed at that point? he was acting like he was crying, but i didn t really see normal stuff when you cry. you know? and the days that followed kathy s death, investigators tested and retested the water heater and other appliances. prosecutors reminded the jury that there was no sign any appliance had accidentally released carbon monoxide.
he was at the end of his rope. i think he felt trapped. now, all of these months later, mark wangler s life was on the upswing. he had reconnected with an old friend who shared his faith, esther, a romance blossomed. you ended up getting married a year after kathy s death. 14 months, correct. some people might think that s pretty fast to bounce back. we heard that. and the wedding bells had barely stopped ringing when detective got a second search warrant. by now, he had come to believe that mark wangler was a killer. the detective thought that would have used an engine of some sort, a portable generator or maybe the vehicles, to put carbon monoxide into the heating system of his home to kill his wife. the detective wanted someone to take a closer look inside the heating ducts of the wangler home. we went in and dismantled
kathy s family had. they also had suspicions about mark. they knew something. the wangler marriage was a disaster and they wanted police to know the problems went back years. kathy had told me mark had an affair. that kind of been easy for her sister. she could never forgive him for that. they managed to carry on. over the years, kathy s family remembers simmering tensions that could erupt into open warfare. they say mark thought kathy gained too much weight. she wouldn t clean the house. she spent huge amounts of 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 points got in the car. mark was hanging on the side of the car. kathy was driving away, yelling at him. at one point, one of the boys jumped out and there was a lot of yelling and carrying on.
the ductwork and took carpet samples and registers out of the house. investigators found the lab to determine its soot from internal combustion engine could be found inside the heating ducts. it would be months before they got results. do you have any idea that as having this busy, happy time, the investigation was still trying to put a case together? we really didn t hear anything. we didn t hear anything at all, no. you planned a trip to zambia. why did you end up there? one of the churches in town, a good friend of mine, had gone to zambia with several people from his church. they learned that people in zambia were in dire need of freshwater. so, mark and esther joined a church mission to help dig wells there. after three weeks, it was time to go home. you land in atlanta and your son calls. he said, you know some guy