Gary Trevett , 54 , and Fiona Langdown , 53 , preyed on nine elderly victims . Their con made customers believe they had paid for a complete service . They would then take the money from their bank account to pay off debts or make payments in cash. Trevett admitted defrauding nine people - including a friend with dementia . Langdown was found guilty of defrauding four victims and handling the stolen cash of another three .
Gary Trevett , 54 , and Fiona Langdown , 53 , preyed on nine elderly victims . Their con made customers believe they had paid for a complete service . But their payments were then used to save the couple 's failing business . Trevett admitted defrauding nine people - including a friend with dementia . Langdown was found guilty of defrauding four victims and handling the stolen cash of another three .