The FBI's probe is the latest international investigation centred on 1MDB.
Updated from: Now FBI Opens Money-Laundering Investigation On 1MDB: Here Are The Facts So Far
The state fund has been dogged by controversy over its USD11 billion debt and alleged financial mismanagement by PM Najib Razak.
The case involves suspected corruption of public foreign officials, dishonest management of public interests and money laundering.
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