Am unsure of the phrase used elsewhere but in the Uk the daily mail is not a newspaper of any credibility, in the old days it was what used to be used as bog roll along with the sun in less pleasant establishments. In other words anything they write is bullshite.
Carfent may still be knocking about in the good old usa mixed in with the heroin supply but you will never get you sticky paws on it unless you know some super og who uses it in his cut, in which case you wouldn't be here anyway.
Seriously folks what is it with your bloody unicorns, if you really want to do that sort of thing then why not just buy the N from A, least then you get a donkey with a party hat.