The 42 billion ringgit (405 billion baht) debt has weighed on Malaysia's sovereign rating and the ringgit in recent months.Mr JustoJust worked for PetroSaudi,but was paid an equivalent of 140 million baht to leave the company after he was found to have "behaved against the company's rules and regulations",Pol Col Akaradech Pimonsri,acting commander of the Crime Suppression Division said.