Murder accused told doctors that release of abuser Michael Ferry caused him to 'spiral'

Derek Mulligan, aged 39, of Carrickcoyle, Derrybeg in County Donegal, has pleaded not guilty by reason of insanity to the murder of his 78-year-old grandfather, Derek Burns, at Carrickcoyle on December 19th, 2023. The Central Criminal Court heard that two psychiatrists have given evidence at the trial, testifying that Mr Mulligan was suffering from paranoid schizophrenia at the time and meets the criteria for the…