swap

“My mom was a vendor at swap meets and I would go to work with her,” Martinez tells me.

They had not long set sail when they learned the wrong coffin had been loaded so they returned to port and it was swapped over - in full view of the bemused passengers.

Exactly how much money changes hands and who benefits from these "oil swaps" is just one of the unknowns in these deals.

Orlov now lives in Germany in enforced exile after he was released in a prisoner swap in August.

It is increasingly becoming a key date in the calendar for those tasked with protecting taxpayers' money from fraudsters - a place where experts can swap tips and discuss the next big threat.