A garda at the scene of the fatal shooting on Knocknarea Road in Drimnagh, Dublin. Photo: Frank McGrath
The chaotic murder of a young man this week came after a series of violent attacks which gardaí are investigating as a possible motive for the events leading to his death.
The use of a high-powered rifle, fired about 20 times in a built-up residential area, has also raised concerns about the access young criminals have to serious firepower.