The Malaysian Anti-Corruption Commission has revealed a series of nine audio recordings of high-ranking officials, including former prime minister Datuk Seri Najib Razak.<br /><br />The recordings are said to have taken place between Jan 5, 2016, and July 29, 2016.<br /><br />One of the conversations was allegedly between Najib and his wife Datin Seri Rosmah Mansor where she was heard expressing her displeasure over a certain matter related to MACC investigations.