How do they know? Did they invent star trek level scanners while no one was looking?
IOW - it’s just a little early to rule out any cause.
My thoughts exactly. How can they rule out something 10 minutes after it happened without even checking? Make Homeland Security look majorly stupid.
Homeland Security protesteth too much...and too soon...that this is not terrorist-related.
Which is why I don’t believe a word they say.
Better to call the Psychic Hotline on this one than to trust Chertoff’s gut.