new delhi taking congress head on over the sohrabuddin case finance minister arun jaitley said the appropriate question for party president rahul gandhi to ask would be who killed the investigation in this casethe special cbi judge mumbai who deals with cbi cases had acquitted all accused in sohrabuddin case the minister said adding more relevant than the order of the acquittal is the observation of the judge that in the investigation from the very beginning investigating agency did not investigate the case professionally in order to find out the truth but to divert it towards certain political personsresponding to the comment of gandhi on the day of the judgement that nobody killed sohrabuddin jaitley said it would have been more appropriate if he had asked the right question namely who killed sohrabuddin case investigation he would have got the right answerjaitley in his facebook post titled who killed the sohrabuddin investigation said that those who have recently shown a belated concern for institutional independence should seriously introspect as to what they did to the cbi when they were in powerthe minister further said that as leader of opposition in the rajya sabha he had written a letter to the then prime minister manmohan singh on september 27 2013 detailing the politicisation of the investigation in the sohrabuddin tulsi prajapati ishrat jahan rajinder rathore and the haren pandya casesevery word of what i have said in the letter over the next five years have proven to be true this is an irrefutable evidence of what the congress did to our investigative agencies jaitley saidearlier this month a special cbi court acquitted all the 22 accused in the sohrabuddin casethe court while passing its judgement also said that the cbi probed the alleged fake encounter killings of gangster sohrabuddin shaikh his wife kausar bi and his aide tulsi prajapati with a preconceived and premeditated theory to implicate political leaders