[ndt]

"Yet, the FBI is quick to dismiss any hint of suspicion of terrorism planning by these three men. Why might that be?"

Could it be lack of evidence?

Everyone is so quick to convict here that even when the investigating authorities publicly state they have no evidence the assumption is still one of guilt. I don't know if I should laugh or cry.

[oceanview]

you can always claim "lack of evidence", if the investigation is cursory. that's what investigations are for - to obtain evidence.