[oh8eleven]

One of them also did some suspicious things, like checking his baggage on one flight and then actually getting on another one.
You can't check baggage without a ticket can you? You're saying he had two tickets?
Also, do we know if the TSA actually allowed their luggage to be loaded on the plane - or was it held back?

[justlurking]

Also, do we know if the TSA actually allowed their luggage to be loaded on the plane - or was it held back?

The plane which had his luggage -- but not him -- was called back to the gate when they realized he had not boarded.