something to tie clay directly to the crime scene. and? enter the dna. i believe it was january 24th, 2012, when i obtained the initial dna report. reporter: they had submitted several samples from chanin s body for dna testing. thought the most important thing would be from her neck where she was strangled and her fingernails as she fought off her attacker. some of the samples came back labeled unknown male. which didn t match any of the known suspects, but some other of the dna material could be narrowed down to a very small pool of candidates. starbuck male. clay starbuck or austin starbuck or blake starbuck. reporter: there was no getting around it, dna didn t lie, after all. detectives were now convinced that a starbuck male killed chanin. but which one? was it possible one of chanin s own sons killed her?
they had been out one full day. here was their decision. narrator: the matter of state of washington versus mr. clay starbuck verdict form a count one reads, we the jury find the defendant mr. starbuck guilty of the crime of premeditated murder in the first degree. guilty. his face looked like stone. but something else going on inside said his lawyers. how was he when that verdict happened? shocked. he actually thought he was going to be acquitted. absolutely. but chanin s mother and siblings finally felt vindicated. all along they believed it was him. and now a jury agreed. as soon as that first guilty verdict was read, it was like a ton of bricks were lifted off of us. and got the text, guilty. i jumped up and i screamed. i screamed. i was like, yes, yes!
been transferred from children going back and forth between parents as marshall explains. only his audio could be shown not his face. do you ever share clothes with austin now? yes. if all my shirts are dirty or something i ll borrow one of his shirts. and i use also blake s old sweatshirt. reporter: the matter of the alibi. neighbors in the area where clay starbuck claimed his car broke down testified that they did see a car matching that description parked by the side of the road. i came up early in the morning to smoke a cigarette outside. i had seen it parked up the street. reporter: austin told the court that the jury should not be suspicious about clay s phone being off that day. why would he have it off? so he wouldn t be interrupted when he was sleeping because he had back surgery and he needed his sleep. reporter: yes, the back surgery. the reason clay was in deer park and not out working on the pipeline at the time of chanin s murder.
mr. starbuck, you were married to ms. chanin starbuck at one time? yes. reporter: speaking in calm, deliberate tones, he told the court his back surgery forced him out of work which is how he came to be more than $9,000 behind in child support and alimony. i couldn t do anything about it till i went back to work. that was my goal. reporter: money was no motive said the defense, and as for jealousy, not him. his talk about chanin s online dating had been misconstrued. why did you tell people about that information? concerned and to see if we could help her. reporter: some of the officers testified that you told them about the same sort of activity after the death of miss starbuck. yes. and they were interested in anything that could help them with the investigation as well so that s why.
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