detective mike thomas and lieutenant kyle berardi both worked the case for the ulster police department. they took note, of how linda, the wife, was reacting at the scene. >> her demeanor, was it exactly what you would expect from a wife making a discovery like this? >> 100%. 100%. there was nothing out of the ordinary with her -- reaction, her words. it was more hysteria. >> reporter: police escorted linda down to the station to ask her questions about tom's health. >> she had mentioned to us that he had hypertension. he had -- sleep apnea, which if you're not familiar with sleep apnea, unfortunately, they ultimately stop breathing at certain times during the night. >> that sounds dangerous. >> absolutely. he was diagnosed by his doctor as having a severe case of sleep apnea. >> did you, kind of, think that this was g -- going to be an open and shut case once you got the autopsy results? >> yeah. absolutely. and -- and that unfortunately was not -- not the outcome the next day. >> reporter: instead, the results would turn this tragedy into a tangled mystery. >>> coming up -- >> 40-year-old men don't drop dead like