Gardai seal off the area near the scene of the shooting this morning
The man gunned down in his home last night in Clondalkin has been named locally as Thomas Farnan.
Farnan, 37, was shot dead in the hallway of his home in Kilcronan Close by a lone gunman who knocked on his door at around 11.45pm last night.
It is understood Farnan was shot four times in the torso.
A senior source said: "Gardai will hold a case conference this morning in Clondalkin.
"No car was used in this attack and it is believed the man ran from the scene."
Local reports say the gunman then escaped on foot in the direction of the Grand Canal.
A massive area of Kilcronan was sealed off this morning.
Tom Farnan (Picture courtesy of family)
Although not known as a major criminal, Farnan has a long list of convictions for crimes including drug possession, burglary, theft, larceny, drink- driving and possession of a knife.
It is believed at this early stage that his death is the result of a local feud or row over money or drugs, but a full investigation will be carried out by gardai to establish the motive.
The victim was pronounced dead at the scene.