Re: Police Scotland = Morons with time on their hands
"At birth a heel prick of blood is blotted onto filter paper, tested for a genetic disease, labelled and stored for posterity."
Ante-Natal Blood spot cards degrade extremely rapidly, which is why they need to be in a lab and tested within a maximum of 2-3 weeks. If they want to keep them for posterity, good luck to them, it'll be useless.