The banker son of Australian Prime Minister Malcolm Turnbull is the latest of a list of individuals to open up on alleged dubious deals linked to troubled Malaysian sovereign wealth fund 1MDB.

According to The Australian, Alex Turnbull claimed he was sidelined from his executive position at Goldman Sachs in Singapore four years ago after blowing the whistle on billions of dollars of allegedly dodgy deals done with 1MDB.

The report quoted Turnbull as saying that he had raised concerns with his colleagues about the US$6 billion of bonds raised for 1MDB in 2012 and 2013 and the lack of clarity in offer documents about the use of the funds...