Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Khalid Sheikh Mohammed, who is facing a US military tribunal on charges he helped plan the 11 September 2001 attacks in the US, was regarded as one of the most senior operatives in Osama Bin Laden's al-Qaeda network.

Profile: Khalid Sheikh Mohammed