Khalid Sheikh Mohammed's trial is set for June 2028, nearly 27 years after the 9/11 attacks and 25 years after his capture.

A U.S. judge rules confessions of alleged 9/11 mastermind inadmissible, impacting upcoming trial ahead of the attacks' 25th anniversary.

The ruling marks a blow to the federal government's long-delayed effort to prosecute Khalid Sheikh Mohammed, who is accused of developing the plot to crash planes into the…