They followed him. She let Reyes take the lead, since her partner seemed to have a theory about the strange man in the pink coat. As for being a potential psychic? Not impossible, as she had come to understand. As for being someone used to reading a crime scene? Livvy wasn't buying it. He used incorrect terminology and formed conclusions without any apparent information from sources other than his own statements of the obvious.
Unless you counted the victim as a source...
“So, not a mugging,” she said, her voice level and expression thoughtful, as if everything Mr. Psychic Hotline had said would not have occurred to two trained police detectives.