"Well, Rivas is hard to get to know. I know he thinks very highly of Alex, but honestly, that's as far as I got with him. You're going to have to use your charisma with this one, or find a different way to get through to him. He's defensive, and won't give things away easily.

"It makes sense," he goes on. "He was uncover here for quite a long time since NCR had their hands on it."