While the headmaster had tried to insist that Harry stayed at Hogwarts to be "safe', the teenager had claimed that he would spend the holidays at a safe-house Sirius had organised. Barty had helpfully implanted the memory, into the ex-convict's mind. Eventually, Harry wanted to introduce his godfather to his new allies. Still, since he was not entirely sure how firmly the man was in Dumbledore's pocket, he and Tom had agreed that that could wait until summer.