A source familiar with the meeting, a telephone conference call, said that the committee only spoke in general terms.

The rising medical costs come from both new and familiar sources.

Terms of the deal were not disclosed, but a source familiar with the price said it was about $30 million.

However, sources familiar with the deal process expect the procedure to run until "the very last minute".

"If there were some serious problem in the market, people would look to this agency for information," said a source familiar with the agency's requests.

The letter has not been made public but was obtained by sources familiar with the investigation.

The most familiar source is probably lightning, though it's actually one of the least common causes.

"He wasn't told because we didn't know where this was going to go," said one legal source familiar with the investigation.

"But the virus kept coming back," a source familiar with the infection says.

"He had a difficult administrative committee meeting that Friday night," one source familiar with the situation said.