The No Fly List is not a government program easily challenged. Indeed, it operates in secrecy, from an undisclosed location, administered by an office – the Terrorist Screening Center – that doesn't accept public inquiries. When challenged in court, the watchlisters routinely declare their methods safe but secret and fight the disclosure of their standards and criteria for inclusion.
The British Muslim family recently denied travel to Disneyland might soon discover this, despite the fact that Prime Minister David Cameron has been called upon to examine the case.
The Guardian reported that, despite prior US approvals, the entire family was turned away from Gatwick's departure lounge. Without warning or a hearing, their freedom to travel was stripped away at great expense and deep humiliation. Instantly, they were reduced to the status of suspected terrorists by anonymous US officials working without any judicial oversight.