i was like okay, i ll go check it out. so, i walked around our bed and got about halfway down the hallway and realized our front door was open. but you didn t see anybody? nope. reporter: halfway down the hall she said, cold air rushing in. she knew something was very wrong. she ran back to the bedroom, turned on the light. i went to go wake him up and then i could see him. yeah. hard to get that one out of your head, isn t it? yeah. [ sirens ] reporter: and that s her call to 911 and the detective who rushed over to find out what happened and discovered that he could not tell. you ve got the wife. you ve got a small 6-year-old child and you ve got a 15-year-old boy in the house. and you ve got everybody saying they don t know what happened.