Chloe Hadjimatheou

If £9,000 was a lot of money back then, then you can imagine this was a fortune.

Early on Wednesday 8th October 2008, the Walker family is awoken by banging on the door.

It's the police.

They arrest Sally for fraud and theft.

She's taken into custody for questioning and her house is searched.

And after a day of refusing to answer questions, they let her go home on the agreement that she'll return another day for follow-up questions.

But Sally Walker never shows up.

When they go round to her house, it's clear her family have no idea where she's gone.

The Isle of Skye in Scotland, a favourite haunt of Tim and Sally's.

It's where the couple got married.

The police in Wales call the local Isle of Skye police and they go and investigate.

Ros doesn't really remember what the police did next.

She only remembers that the woman who the family had trusted and thought of as a friend had betrayed them by stealing tens of thousands of pounds and then wasn't prepared to face up to it.

She'd done a runner.

She's gone about two weeks.

But Sally hadn't gone for good.

This quiet, unassuming woman had a plan.

She'd fled to London to visit a very wealthy relative of her husband's, a man she called Cooper.

Moth would later tell this man and his family that Sally had also secretly taken out credit cards in both their names and maxed them out.

But Cooper was on hand to help.