The search is on for Peter Foster’s missing millions.

The Courier Mail reported the Australian con man is suspected of hiding away gold that he bought using money from an alleged sports betting scam.

On Friday, the Supreme Court in Sydney heard a class action against Foster and his role in the online betting company, The Sports Trading Club. The legal action was filed by 160 people who were seeking to get the $10.5 million they invested into the club, according to the report.

Ken Gamble, a private investigator representing the victims, said the group was only half of the 320 people who invested a total of $23 million into the scam.