Man was on way to kill self as he crashed

Brian Gavin, aged 28, was driving from Mullingar, Co Westmeath, to Lucan, Co Dublin, at speeds of up to 160kph, flashing cars in the fast lane before overtaking them on the grassy verge.
He continued to drive at full speed after clipping the wing mirror of one car while overtaking it in this way on the N4 around Leixlip, Co Kildare.