On the eve of the first anniversary of what has become known as the West Cumbria Shootings, families of those killed, and survivors, describe how they've coped in the aftermath of the tragedy. On a fine summer's day last year, in just a few hours, local taxi driver Derrick Bird fired twenty-nine shotgun cartridges and eighty .22 calibre rifle bullets. He left twelve people dead, eleven seriously injured - and countless others in desperate grief and trauma - before taking his own life. David Bird, Derrick's twin brother was the first to be murdered. His wife Sue and three daughters, Tracey, Rachel and Katie speak publicly for the first time about losing the 'rock' of the family and their enduring feelings of guilt over the killings.