john kenline, he admitted that he was outside the deerpark house that morning. 10:30. it appeared that shannon was being attacked, according to the 9-1-1 call, he said that he was not at her house, he was in a starbucks getting coffee. a specific frapaccino, that the store had a record of selling. >> he ordered a specific and unusual drink? >> correct. that is the case. he purchased coffee at the same time that the 9-1-1 call had come in. it was just a little variation in time. but well within the timeframe that he could not have been at starbucks and he could not have been in deerpark at the same time. >> and so, the man who once looked so suspicious convinced detectives he was telling the truth. >> they looked at him every can which way you could be looked at. and they checked out every part of his story and fact, everything that he told them checked out 100%. >>> now, he just had to do deal with his wife. >>> and detectives? they went back through the list of possible suspects. shannon's killer was still out there. a killer who judging from the story shannon's frien