Last October, Manson was found to be in possession of an inmate-manufactured weapon and he is now being held for 15 months in isolation in a secured housing unit in the California State Prison Corcoran, said Commissioner Gilbert Robles, the other member of the two-person parole panel.

CNN: STORY HIGHLIGHTS

Barbara Hurst of Audit Scotland acknowledged good planning was essential but noted: "the data to underpin modelling is not good enough", and there was a need to break out of silos in planning: "It is not just about looking at the social care budget in isolation from the health budget and the housing budget".

BBC: Finance Committee 1

Those who are caught bartering can end up in the "Special Housing Unit" -- an isolation area also known as the "hole" -- and could lose credit they get for good behavior.

WSJ: Mackerel Economics in Prison Leads to Appreciation for Oily Fillets