County lines: A decade of destroyed young lives

<p>Lucy was 13 when she was robbed by the drug gang she was working for and&nbsp;then&nbsp;stabbed as punishment.&nbsp;</p><p>Now in her 20s and living in a refuge,&nbsp;Lucy&nbsp;was one of thousands of children exploited&nbsp;by&nbsp;violent&nbsp;drug gangs.&nbsp;</p><p>A decade after authorities first&nbsp;identified&nbsp;the&nbsp;emergence of "county lines" dealing,&nbsp;parents and former child runners have spoken about the devastating impact on their lives.&nbsp;</p><p>Niall is joined by Sky's home affairs editor Jason Farrell.&nbsp;</p><p>Producer:&nbsp;Tom Gillespie&nbsp;</p><p>Editor:&nbsp;Mike Bovill&nbsp;</p>