If Porter were to send people from the Middle East to Vancouver, Canada, the flight distance alone would already be over ten thousand kilometers.
He did not have a Concorde, and it would take them more than ten hours to get there at the earliest.
In that case, if something were to happen to Stephanie within these ten hours, no one would be able to help her at all.
So, the person who was closest to Stephanie at this time was Charlie himself.
After all, if he were to fly from here, he could g