"If they are interested in helping victims, they should not tie up those assets," she said.
Regardless, whatever is ultimately recovered will be only a fraction of what investors lost. More could be recouped through lawsuits, but that could take years.
Investors have until Sept. 1 to make a claim with the U.S. receivership. The liquidators do not have a deadline.
Associated Press writer Ben Fox in San Juan, Puerto Rico, contributed to this report.
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