They did this quite recently, in fact they do it all the time.
Here is a quote from one of the post office busts:
"The police confirmed there have been no arrests as action cannot be taken against the people the d***s were addressed to, because they have not committed an offence until they receive it"
Here is a quote from one of the post office busts:
"The police confirmed there have been no arrests as action cannot be taken against the people the d***s were addressed to, because they have not committed an offence until they receive it"