Greater Manchester 's chief constable Peter Fahy called Name_conferral the attack `` cold-blooded murder Killing '' and British prime minister David Cameron described Statement it as a `` despicable act ... of pure evil '' .

The exact history of the incident Catastrophe has been the source of some disagreement Quarreling , largely because popular anti-railroad sentiment in the 1880s made the incident Catastrophe to be a clear example of corrupt and cold-blooded corporate greed .