Forensic accountants are investigating the estate of New Zealand First MP Brendan Horan's mother, amid allegations that large sums of money were misappropriated from her bank accounts over several years. The matter has been raised with NZ First leader Winston Peters. "I was interested as the leader of a political party when one of my MPs is subject of allegations," Peters said. "But I deal in facts, that's all I am interested in and I haven't seen any." About a month before she died of cancer on August 3, Olwen Horan, of Mt Maunganui, a million-dollar lottery winner, signed an amendment to her will authorising the executor to "recover money by any lawful means" from Horan, "which has either been loaned . . . by me, or taken from me". The Sunday Star-Times has obtained a copy of the amendment, which has been sealed by the High Court at Tauranga. It also states that if the funds have not been recouped by the time of her death, then Horan's share of the estate "will be adjusted to take in account of any such funds received . . . over the last 10 years". The Star-Times understands she obtained a medical certificate, signed by two doctors, saying she was in her right mind when she made the changes. The executor of the will, her nephew John Buckthought, said he had given bank statements, going back 10 years, to a law firm, and forensic accountants were going over them. "There's a lot