Despite warnings , suspect 's visa was not revoked . Tip from suspect 's father sent to National Counterterrorism Center . Suspect put on TIDE list , along with 550,000 other possibly suspicious people . Comment:
Despite warnings , suspect 's visa was not revoked . Tip from suspect 's father sent to National Counterterrorism Center . Suspect put on TIDE list , along with 550,000 other possibly suspicious people . To take matters further , there has to be a `` reasonable suspicion '' of a link to terrorism .