Agent Smith’s appearance, title

The young man’s smile faltered and in that instant the hero realized the man in the suit was probably older than he was. “Sorry,” he said. “Caught up in the moment. This is just … It’s so rare we find survivors, let alone such a huge group with, well, people like you.” He straightened his tie. “I’m John Smith. Department of Homeland Security, seconded to DARPA and working with Project Krypton as … well …” He shrugged. “These days I just try to help out wherever I can, like most people.”

Excerpt From Ex-Patriots, pg 200
Peter Clines
https://books.apple.com/us/book/ex-patriots/id585738393