http://news.bbc.co.uk/1/hi/england/tees/7131548.stm
Mr Darwin's sons Anthony and Mark said they felt they were "the victims of a large scam. How could our mam continue to let us believe our dad had died when he was very much alive?"
It has also emerged that both sons have recently left their jobs - one in property and one in insurance.
The wife of missing canoeist John Darwin left Panama tonight to return to Britain.
Mrs Darwin's departure from Panama came as it emerged that one of her sons left his flat in the middle of the night, leaving a notepad apparently containing "instructions" for his girlfriend to meet him at London City airport. Flatmates of Mark Darwin, 31, called police after they found he had cleared out his room in Finchley, north London. A tabloid bidding war to buy the notebook ensued and reached £10,000 before a flatmate emerged and said police had advised them not to reveal further details.
Mark, 31, quit EC Harris, a firm of international property consultants, on Friday, the day before his father's reappearance. A spokesman for the company said he had worked his notice and had not left abruptly. Anthony, from Basingstoke, Hampshire, left his insurance job with Towergate Risk Solutions in Reading in August.
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