Sorry, howlin, I don't have it.
There was some interesting info about contamination of a site by the detectives etc. One thing that was mentioned was "change your gloves often".
It's extrememly possible that transference occurred when the boys saw the nails on the sink and threw them in the basket OR a detective transfered material to the nail. I'd say the odds of transferring OCCURRING are darn good. The kid lives there!!
I thought they took DNA from all the boys and I thought the scratching story was not in the early reports but came up after talking about the nailpolish on the rail.