[1] He was convicted of the murder of Pearl Gamble, aged 19, whom he had battered, strangled and stabbed to death on 28 January 1961 and whose body was discovered at Upper Damolly, near Newry, County Down.
When interviewed, he stated to have worn a dark blue suit but other people at the dance said he wore a light-coloured one.
The following day, the police discovered, inside a pillow case in a septic tank, an overcoat, a waistcoat and a handkerchief, all of which were heavily bloodstained.
[1] At his trial in Downpatrick, McGladdery pleaded his innocence but was found guilty and sentenced to death on 16 October 1961.
He was hanged, aged 26, at Crumlin Road Gaol in Belfast on 20 December 1961, by executioner Harry Allen.