Shannon heard the footsteps, ears swiveling partway at the new sound, and cataloged them as with every other sound in the joint. He carefully plucked them out and put them somewhere else when it was obvious they belonged to Eli. There was no way he could predict what the younger man's stride would sound like, nor was he able to instantly memorize it like someone might recognize a face. However, it helped to put them to a voice and maybe eventually he could use it to identify Eli; he was already there with several other officers, his partners easiest of all.

"Nice to see you too, Mr. Delacroix," he agreed. It was just a turn of phrase, and it had the same meaning to Shannon as it did to anyone else, too naturally embedded in cultural consciousness to ping him as odd. With a grin, he used his free hand to point in the opposite direction. "What, over here?"