Belgian officials founded the university in 1954 after having been criticized for doing too little to educate the Congolese.
"We're too civilized for this," said one Belgian official, summing up the national bad mood.
Such guarantees should have included stronger safeguards that the information was being used only for terrorism investigations, Belgian officials said.
American officials said they had worked with French and Belgian officials to coordinate their response.
A series of prosecutions took place and a number of Belgian officials were dismissed or resigned.
Belgian officials said the killings were linked to Mr.
Although Belgian officials found the weapon six weeks ago, they have kept quiet about it because, they said, investigations were still under way.
He said Belgian officials in Antwerp had been asked for assistance.
A group hurled stones at two buses carrying Belgian officials to the funeral.
Belgian officials were able to identify her only after her fingerprints were taken.