[Shermy]

An FBI official, speaking on condition of anonymity, said the detention of the passengers was not terrorist-related.

But...

"The official declined to say what specifically led to the quarantine of the plane, but cited the recent increase in the U.S. terror alert status. "

[bwteim]

You can have an incident that is not related to terrorism yet take precautions just the same - if you are saying that - I agree.