First, my faith tells me that my son is without sin.

CNN: As a father, 'I have to be the best human I can be'

My husband paid regularly for his son through private arrangement, every month without fail, for three years, plus a large lump sum on separation, until his ex-partner decided she was "going to use the CSA to have him for every last penny" (her words).

BBC: Parents face fees for child maintenance rulings