article_snippet: The two latest cases are revealed in a report by the National Crime Agency, which was set up by the Government to combat serious and organised crime.
article_snippet: The cases highlighted by the NCA are a truly shocking development.
article_snippet: We know of just a handful of cases
article_snippet: but We suspect these are the tip of the iceberg.
article_snippet: One of the worst cases uncovered so far was in the former Yugoslav republic of Kosovo.