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. according to police in ohio, one of those deaths wasn t an accident. it was murder. they say if anyone would know how to use a deadly gas to murder someone, it was their prime suspect. here is kate snow with deadly exposure. he has come back to where it all began, to the tune, the streets he knew so well, remembering the old times when life was simple, love was young and the future held so much promise. taki
murder someone, it was their prime suspect. here is kate snow with deadly exposure. he has come back to where it all began, to the tune, the streets he knew so well, remembering the old times when life was simple, love was young and the future held so much promise. taking time to reflect on how it happened. a few days from now, it will all be over, one way or another. my carbon oxide detector is going off and my wife is having a seizure. our story begins in ohio, on a frantic, september 4th, 2006. dr. mark wangler says he woke suddenly in the dancers master bedroom to the sound of an alarm. just a loud, piercing noise.
and the culprit behind the mystery illness remains unknown. now, however, for the first time on television, three of the original diplomats to be affected are breaking their silence about what they experienced with permission from the state department they spoke to our andrea mitchell reporter: in the winter of 2016, these diplomats were working at the u.s. embassy in havana, cuba their nights at home interrupted by a piercing noise coming from their background. i ll just play it for you so you can hear. there is a lot worse. it was persistent, kind of at the same level all the time very, very loud. it s nothing you could sit with. reporter: kate, did anyone else in your neighborhood have this experience at their homes? yeah.another embassy family and then the people on our left and across
by a piercing noise from their backyard. it was a lot worse earlier. it was persistent, kind of at the same level all of the time. very, very loud. it s nothing you could sit with. did anyone else in your neighborhood have this experience at their homes? yeah, on our right was another embassy family, and the people on our left and across the street were both canadian embassy employees. in the end all four households were diagnosed. in a nearby neighborhood, tina who worked with them was washing dishes. i was standing at the kitchen window and all of a sudden i felt like i was being struck with something. what was it like? it was gripping, it was like i had been seized by an invisible hand and i could not move.