sentences:  Silver reacted by ordering a news blackout on Dredd's resignation, and covered it up by going so far as to replace Dredd with an imposter, Judge Kraken, a clone from the same DNA as Dredd.Silver believed that Dredd had become such an important figure of law-enforcement in the public mind that his departure, if it became known, would incite an intolerable increase in crime.Silver's judgement proved to be fatal, as only weeks later Kraken's loyalty was turned against the city, precipitating a catastrophe which resulted in the whole city falling under enemy occupation with the loss of 60 million lives.