...Maureen began to look outside the marriage for affection. In 1998 she kissed plumber John Potter, a friend of her husband's, and in the following March - three months before her disappearance - she began a three-month affair with gardener Andrew Horton.
It was Martin's discovery that Maureen had kissed Mr Potter - after bugging her car - that led to him hitting his wife.
Oliver recalls pulling them apart and seeing his mum with a bloody nose. He believes it was the final nail in his parents' 16-year marriage... (more)