§ Lord Harris of Greenwichasked Her Majesty's Government:
Whether they have had any discussions with the United States drug enforcement authorities about the emergence of Mexican "black tar" heroin and whether there are any indications that it has yet appeared in the United Kingdom.
The Minister of State, Home Office (Earl Ferrers)The United Kingdom enforcement authorities know, through regular exchanges of information with their United States counterparts, that in recent years Mexican "black tar" has increased its share of the illicit heroin market in the United States. There are no indications that it has yet appeared in this country.