 Cregan was wanted in connection with the murders of Mark Short, 23, who was shot dead in the Cotton Tree pub in Droylsden on 25 May 2012, and of his father David Short, 46, who was killed in a gun and grenade attack at his home on Folkestone Road East in Clayton on 10 August 2012.Cregan was on bail after being arrested in June 2012 for questioning over the murder of Mark Short.Greater Manchester Police chief constable Peter Fahy defended the decision to grant bail, saying "It is absolutely normal in complex crime inquiries that when people are arrested there are occasions where there is insufficient evidence available for them to be charged."