Senior garda calls time on 40-year career
The retiring Assistant Commissioner was involved in the investigations of many of the notorious crimes that left their mark on the public psyche the capture of notorious killer Malcolm MacArthur, the assassination of journalist Veronica Guerin and the continued battle against Dublin's crime lords.
Mr Hickey, who officially retires from the gardaí tomorrow, was also centrally involved in the investigation into the disappearance and death of Cork school boy Robert Holohan in January.