Explainable Accident News Today : Breaking News, Live Updates & Top Stories | Vimarsana

mother. >> she was the most amazing woman i had ever met in my life. >> and then, suddenly, one day, she was gone poisoned by carbon monoxide. >> he was like i couldn't get a pulse, i couldn't get a pulse. >> her husband blamed of faulty water heater, police blamed him. >> you don't think this is an accident? >> no. >> there was one problem, and it was a big one, no one could figure out exactly how he might have done it. >> he's an expert in gases, he's analyses urologist. >> murder or an accident. did you kill your wife? ♪ ♪ ♪ >> hello, and welcome to dateline, hundreds of ame...

life. and then, suddenly, one day, she was gone. poisoned by carbon monoxide. >> he's like, i couldn't get a pulse! i couldn't get a pulse! i couldn't get a pulse! >> her husband blamed of faulty water heater. police blamed him. >> you don't think this is an accident. >> no. >> there was just one problem. and it was a big one. no one could figure out exactly how he might have done it. >> he's an expert at gases. >> murder or accident? >> did you kill your wife? ♪ ♪ ♪ >> hello and welcome to dateline. hundreds of americans die every year from accidental carbon monoxide poisoning...

>> doctor wrangler made a comment that they had problems with the water heater the past few weeks. he felt that that was the problem, due to the carbon monoxide detector going off. >> diane steube or remembers her husband worried about the heater to. saying the exhaust on the roof was not place there directly. could that have caused the backup in the house? >> and mark said he was scared of it. >> it sounds like mark wrangler happen -- and kathy just happened to be upstairs that night. mark was downstairs. it seemed like a sad, but explainable accident. but as it turns out, it was not so simpl...