0ur reporter AdIna Campbell has more. 0ne one of the most dangerous and crowded jaIls In the uk. ThIs was PentonvIlle PrIson In North London last week. The bbc was gIven a rare access and wIthIn mInutes. DIsorderwas gIven a rare access and wIthIn mInutes. DIsorder was rIfe. In an attempt to fIx a crImInal JustIce System at breakIng poInt, From Today Thousands Of PrIsoners In england and wales wIll be released after servIng 40 of the sentence rather than 50 . It 4096 of the sentence rather than 50 .. y 4096 of the sentence rather than 50 . ,.. 5096. It was the only optIon on the table and 5096. It was the only optIon on the table and that 5096. It was the only optIon on the table and that Is 5096. It was the only optIon on the table and that Is because I the table and that Is because the table and that Is because the alternatIve to not makIng thIs change would be to another PrIson System to collapse and therefore to allow Law And Order In thIs country to collapsIble. CollapsIble. But th