The specific charges will be worked out in the next several months, tribunal officials said.
Tribunal officials said the information would shore up the cases they were building.
It did not begin a concentrated effort to develop a case until last October, according to tribunal officials.
However remote the court may be from Kosovo, some tribunal officials believe it has made a difference.
"There's been no political interference at any level," the tribunal official said.
Tribunal officials say they do not have enough investigators to go to every site, especially when new graves are being reported almost daily.
"We know who is responsible for the murders at the original places," said a tribunal official.
None of the Muslim warriors are expected to appear in court, according to tribunal officials.
"The objections to our timing were quite strong, and it took a while for everyone to understand," one tribunal official said.
Western diplomats also want tribunal officials to be given access to secret police and army files.