Drug money is carried out of the UK in suitcases carried by passengers travelling in luxury.
A cash mule tells David Collins about the brazen operation used to smuggle millions to Dubai.
This episode contains descriptions of suicidal thoughts.
If you or someone you know has been affected by the issues raised, the following organisations can help:
Samaritans in the UK - 24-hour helpline - 116 123
Lifeline in Australia - 24-hour helpline 13 11 14
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