. >> detective scott gordon of the fear he even police department was assigned to the case.ssion was suicide by carbon monoxide. >> it was apparent that he placed a water pump in the rear of the truck and he passed away as a result of the carbon monoxide. >> to those who knew comrade best, it didn't make sense. did they miss something? hundred have been getting help, taking medication and seemed hopeful about his future. his grandmother remembered him using that very pump to help out his dad just days before. >> i can still see the smile on his face, just a little smirky smile that he always. >> and his father recalled the two of them working on a job together a week earlier, setting up fireworks on a barge. >> we were laughing. watching fireworks. he seemed kind. the last thing i said to him it was, i love you. >> so his family wondered what pushed him over the edge. as they struggled with their grief, they got comfort from a surprising source. michelle carter. she reached out to linda through text messages, consoling her saying can read loved her very much. >> did you feel