Grace Faircloth had digital information on both of the passengers she found to be suspicious. She had sent it all over to her Uncle Sam earlier, but it wasn't until she was making her drive home to Arlington that she received a phone call from him confirming that he had received it. Due to the hectic Dallas-area traffic, she decided to play it safe and take the call over her wireless Bluetooth connection. "Hi, Uncle Sam! How are you?"

"Hey, darlin'" came the reply. "I'm a little ...