iately and well-dressed and very >> reporter: his name was harold henthorn. according to his dating profile, he lived in colorado and worked to non-profits. he didn't smoke, rarely drank, and he said he was a planner. eventually harold flew out to toni in person. and with them both being methodical types, they devised a formula for lasting love. >> they had come up with a ompatibility. and it was five cs. and i don't remember what they all stood for. compatibility was one of them.s one of them. >> reporter: chemistry, maybe? >> chemistry was one of them. when they met for the first time, they would know if the was there. they'd confirmed four out of the five before their first meeting. >> reporter: so when they met it was combustion.as one of them. >> reporter: toni ticked off her cs. then she introduced harold to >> way more outgoing, way more vocal than she -- she was quiet. i thought, this is great for her. this gets her out of her shell. and it gives her somebody to do so >> reporter: harold was a widower, and told the bertolets he had waited a long time f

henthorns were out. the sun was setting. so harold lit a fire. >> i've started a small fire in a completely enclosed rock enclosure with wet moss on it thinking you can see the smoke. >> reporter: now in the dark, the henthorns were off the grid. and still waiting. just before 7:00, an hour after harold's first call to 911, an operator called back to talk him through cpr. >> harold, this is julia, estes park police department. they tell me you need some assistance doing some cpr. >> any help you could give me would be good. >> okay. is she awake? >> okay. i'm going to go through my questions really fast with you. is she breathing? ten to five -- and nothing, to zero. >> okay. what i'm going to do now is i'm going to count for you as you go i've got my computer on and i can count. so we e n make sure we're getting that blood flow. >> reporter: but harold said he wanted to keep the line free. >> i've got to turn off because the rangers have to find me. >> okay. i will let you go. call 911 any time and you get me, okay? >> reporter: haro