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When Ken Crow and his wife Valerie watched the television news on 21 February 2006, they did not suspect that it would have a dramatic impact on their lives.

The lead story that day was about a gang of armed men who had carried out the biggest cash robbery in world history - and had got away with a staggering 53 million pounds.

The men had robbed a security depot in Kent, in south east England which was very close to the fourteen-acre farm where Ken and Valerie live.

The Crows were enjoying what they call "middle aged bliss". Their children had grown up and left home.

Ken, who works as a fisheries manager, had a new project underway to bring sustainable protein to Ghana. He was travelling to Africa on a regular basis to get the project off the ground.

His wife Valerie was working as a teaching assistant at a school for children with special needs.

And then one day, in December 2008, the idyll of their lives was shattered in the most terrifying way when intruders broke in, tied them up and demanded millions of pounds from them.

Ken tells Matthew Bannister about being persecuted over the next two years and the devastating psychological effect this had on him and his wife.

First broadcast 2nd March, 2011