Nigel Bellot was murdered at his home on Carr Street, Belmont.
According to reports, the 55 year old man was in his bedroom with his girlfriend when he heard a banging noise at his door.
On investigating, a gunman shot Bellot multiple times about the body.
He died on the scene.
Police say Bellot had been deported a few years ago but was not known to them.
They are continuing investigations.