Dyane Connor focuses on the death of Brian Mulvaney, who was murdered in a senseless attack outside a house party in an affluent Dublin suburb in March 2000, by a group of teenagers intent on a path of destruction. Looking back at the 24 hours leading up to the crime, the presenter reveals how the ringleader, Brian Willoughby, was a serial attacker, and shouted 'this is carnage boys, this is deadly' as the victim was beaten to death