I think his survey last June, asking criminals to explain how they chose a target, and how they felt before, during and after the criminal offence, was what he viewed as the last step - asking criminals where they went wrong, how they got caught.
He moved to Pullman in August and his phone was at the address of the murders on Saturday, August 21 at 10:35 PM. The Greek restaurant where more than one of them worked closed at 10 p.m. that night. That could be when he chose his target. An hour later that same evening, he was pulled over in a routine stop where he provided his phone number.
Once a week for three months his phone was near 1122 King Road. He knew who was in which bedroom. He must have known that D.M. was on the second floor at the back of the house visible from the hill behind the house. That means the target was not the house, it was someone in the house. So far, we know that Xana and Madison were expected to be in their bedrooms that night. No one could predict that each would have a guest.
First murder. It's over the top sloppy, as police said. He left the knife sheath next to one of the victims, which quickly led to DNA identification of his father. His car was quickly identified, parked in front of his home. His new plates were quickly tied to his PA plates, which provided his phone number and phone records. Too many stupid mistakes - driving past CCTV 4 times on the night of the murders.
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