The heart of the Iranian nuclear problem is its pursuit of enrichment at Natanz, its construction of a heavy water reactor at Arak, the concealment of its site at Qom and the unanswered questions posed by IAEA inspectors.

But both Kakavand's name and that of another Iranian held in France, Ali Vakili Rad, have often come up in connection with the Reiss case.

Rand was covering fighting between troops and anti-government protesters for the France 24 channel when he was hit.