The number of people sent to prison has decreased by over a third during the pandemic.
Just over 1,900 people were jailed in the first four months of this year - compared to over 2,900 in the same period in 2019.
There was a big drop in court activity during the pandemic, with many cases delayed.
Former Mountjoy Prison governor, John Lonergan, says it's vital justice is done quickly.
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