Seems an extraordinary far reach of Australian customs to be returning Vietnamese to that country. And what about this?:
Major-General Bottrell said there was a "diplomatic exchange between the Vietnamese government" and the Australian government before the group were returned to the coastal town of Vung Tau, in southern Vietnam.
"There was a level of comfort provided for them," he said. He told a Senate estimates hearing that Vietnamese officials provided assurance that there would be no retribution for the group's illegal departure from Vietnam.
But Major-General Bottrell admitted the Australian government did not track asylum seekers once they have been returned, under questioning from Greens senator Sarah Hanson-Young,