In the last few weeks, three people who raised money for the Democrats have been indicted.
Since then, four people, including a former Republican candidate for secretary of state, have been indicted in the case.
Seven other people, none of them public figures, were indicted.
Five people were indicted in the wake of the disaster.
The case first gained public attention last December when 22 people were indicted.
In the course of the investigation, which stretched over several years, about 15 people were indicted.
Nine people were indicted in December 2008 over the bombings.
In all, 22 people have been indicted in the case.
Last year, they diverted about 2,400 of the 14,000 people indicted on drug charges into treatment programs.
The tribunal is now holding 27 people indicted for war crimes.