They have already issued a full apology (
http://www.telegraph.co.uk/news/politics/gordon-brown/617011...) which contains the following - "While Turing was dealt with under the law of the time, and we can't put the clock back, his treatment was of course utterly unfair, and I am pleased to have the chance to say how deeply sorry I and we all are for what happened to him. Alan and the many thousands of other gay men who were convicted, as he was convicted, under homophobic laws, were treated terribly."