Harry Fletcher, from the National Association of Probation Officers, said the idea of mentors was "excellent" but he thought it would never happen because of the sheer numbers needed to make it work. He told the BBC:
You'd need an army of volunteers or employees of private companies to do it properly.
More top news
Hundreds of operations will be cancelled and waiting lists will grow if the NHS is as busy as last winter, according to Labour analysis.
A 28-year-old man has been charged over the stabbing of a surgeon outside a mosque.
A quiet night to come across the UK.