Well It was repeated many times that people knew Adam was crazy, same with the others but more subtle. There has to be a way to recognize these people before its too late.<quoted text>
Profiling is based on stereotypes, and since stereotypes are demonstrably inaccurate and often present more red herrings it is unreliable. It wouldn't have discovered any actual threat but would have been more likely to ruin the lives of a bunch of innocent people.
The first time in recorded history profiling was used for a means of justice is best known as The Witch Hunts.