The shoe prints are relevant because it has been demonstrated that Michelle bought Jason a similar soled pair of size 10 shoes on sale. There seems to be some evidence that Jason used those shoes to stain the deck. That is, the prints in the bloody crime scene seem to match prints on the deck ... but the deck boards were collected late and no one could verify when the deck was last stained Was it just before the tailgating party or earlier?
Then there's the other pair of shoes. They seem to match the pair of shoes that Jason was wearing as casual shoes around the time that his wife was murdered. Is there indeed a receipt showing a new pair of identical sole or type shoes within days of the murder? I read that upthread and was wondering why that receipt was never documented.
Regarding unidentified DNA and prints, the shoe prints have been identified as similar to shoes that Jason at one time owned. It doesn't get any better than "similar to" with shoe prints. Either the pattern matches or it doesn't, but it's never a perfect match as each individual walks on their shoes differently.
The shoes are a big question, but at the same time it's conceivable that shoes he owned two years ealier were long gone (before the murder) and that he didn't actually wear two different sizes of shoes while murdering his wife.
