Best not to travel to New York. And if you must, remember that it is an island. That is both its strength and weakness. It is connected to the rest of the world by tunnels and bridges. They can track everyone coming in and going out.
“It is connected to the rest of the world by tunnels and bridges. They can track everyone coming in and going out.”
Hmmm, perhaps “escape from New York” was a hint, then? What if rats can’t escape?