Brendan Mullin’s fingerprints were all over a series of banking transfers that he stood to benefit from, the trial of the former rugby international has heard. In his closing address to the jury, Dominic McGinn SC, for the Director of Public Prosecutions, said the case against the former rugby international is “not all that complicated” and “boils down to dishonesty” despite the banking terminology used and the large sums of money involved. He told the nine men and three women jurors that the theft charges against the 61-year-old were at the core of the trial and that it was “not…