What has Hamas and Israel to do with Khalid Mohammed's trial in USA? Seems that you have no defence for that undemocratic action in USA. If the guilt of Mohammed is certain then there is no rational reason not to arrange the trial. If not then there is a rational reason to oppose the trial. Simple as that.
U.S. confirms ISIS computer expert killed in air strike (Reuters)
from the article: Report: U.S. trial unlikely for self-proclaimed 9/11 mastermind