apparently via dna evidence. i thought, like the btk case this would never be solved then boom something turns up out the blue. there is some dispute aboyt whether the shawl that contained the dna evidence is genuine though.
Blah. It's not evidence of the killer of any sort. It's just rampant speculation in the press and on the internet to fuel sales of the accompanying hardcover book. It's a con-job, pure and simple. Don't fall for it.