Evidence given by forensic consultant psychiatrists for both the prosecution and the defence, had each given evidence that the accused, Dr Emmett Cullen, who specialised in hip replacement surgeries, was in the throes of a psychotic episode, while a guest at the Clayton Hotel, Steamboat Quay, Limerick, on May 4th, 2023.

Derek Mulligan (39) had pleaded not guilty by reason of insanity to the murder of his grandfather, Derek Burns (78), at Carrickcoyle on December 19th, 2023.

Henry McGowan (31) had pleaded not guilty by reason of insanity to the murder of John McGowan (66) at Ballyfin Demesne, Ballyfin, Portlaoise, Co Laois, on November 12th, 2024

Austin Mangan (53) had pleaded not guilty by reason of insanity to the murder of Maud Coffey (41) at the Horizon Building in Royal Canal Park, Ashtown, Dublin 15, in January 2023.

Ross O'Rourke, with a previous address in Tullow, Carlow, had pleaded not guilty by reason of insanity to murdering his father, Stefan Nivelle Posschier