Thirty nine people, including children as young as 16, have been charged with drug offences after raids by Essex Police designed to disrupt the gangs known as county lines. (Subscribe: https://bit.ly/C4_News_Subscribe)
This programme has been given exclusive access to Operation Vietnam, tackling the problem of young and vulnerable people being exploited to deliver drugs from London out to the suburbs.
Police forces are being urged to use the Modern Slavery Act to protect victims and perpetrators.
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