Wells' body was found in the water near Mississippi's Horn Island days after he went on a boating trip there with friends.

The US government published a fourth instalment of unresolved cases, promising to release more files on a rolling basis.

Heading for Taiwan and south-eastern China, the 1,000 km-wide Bavi is forecast to be one of the strongest storms in decades.

Immigration agents were looking for a different person when they shot Lorenzo Salgado Araujo during a traffic stop, officials say.