Tunisian officials were undecided about whom to support, and they did not close access to their airfields to either side.
Following the blast, Tunisian officials identified his remains through dental records.
Tunisian officials thus say they feel even more vindicated in their approach toward Islamists after Sept. 11.
One hundred of those being tried could be sentenced to death, Tunisian officials said.
The Tunisian officials said investigators believed that the driver did not act alone but "received help from abroad."
Tunisian officials and Western diplomats have stopped short of linking the attack to Al Qaeda.
He was turned over to Tunisian officials in October 2001 and jailed.
(Tunisian officials say she is a respected businesswoman and her company has nothing to do with the government's seeking to maintain control.)
Tunisian officials defend the country's Internet record.
"The sites that are blocked belong to fundamentalist and terrorist groups," one Tunisian official said.