Gardaí from the National Drug Unit and Organised Crime Unit carried out a planned search of a residence in Larchill, Santry, shortly after midnight on 28 March 2015, as part of an intelligence-led operation targeting the activities of a north Dublin crime gang.[1][2] During the search they seized cannabis herb, still to be analysed, with an estimated street value of up to €150,000.[1][2][3]

Four men in their twenties and thirties were arrested at the scene and detained under section 2 of the Criminal Justice (Drug Trafficking) Act 1996 at Swords and Ballymun stations.[1] All four were later charged and were due before Court No. 2 at the Criminal Courts of Justice, Parkgate Street, on the morning of Monday 30 March.[2][3]