Warren Dumbrell is suing the Governor of Portlaoise Prison, claiming that he is being housed in the “isolation block” of the prison

The appellant, who was one of two boys convicted of the teenager’s murder, was in 2019 sentenced to life with a review after 12 years.

At his trial in the Central Criminal Court last month, David Dunne, with a last address in Summerhill, Dublin 1, pleaded not guilty to the murder of Mr O’Connor (34) on the July 29th, 2022 at Mountjoy Prison, North Circular Road, Dublin 7

The Court of Appeal found that his original 15-year sentence was too lenient

Patrick McDonagh (52) murdered Peter McDonald (73) at the deceased's home on Whitechapel Road in Clonsilla in July 2020