The self-proclaimed mastermind of the Sept. 11 attacks and four accused co-conspirators appeared in public for the first time in more than three years Saturday, when U.S. officials started a second attempt at what is likely to be a drawn out legal battle that could lead to the men's executions.
Khalid Sheikh Mohammed and his co-defendants were being arraigned at a military tribunal at Guantanamo Bay on charges that include that include 2,976 counts of murder for the worst terrorist attack on U.S. soil.
In the past, during the failed first effort to prosecute them at the U.S. base in Cuba, Mohammed has mocked the tribunal and said he and his co-defendants would plead guilty and welcome execution. But there were signs that at least some of the defense teams were preparing for a lengthy fight, planning challenges of the military tribunals and the secrecy that shrouds the case.