Who is Lieutenant Vincent D'Agosta from The Relic and what is their importance? Relic_(novel) English & Literature Lieutenant Vincent D'Agosta | The Relic

Lieutenant Vincent D'Agosta is the detective assigned to investigate the murder in the Museum of Natural History. Knowing he is over his head, he's happy when Pendergast joins the investigative team. Together, the two men come to the conclusion that the killer might not be human, but might be some kind of creature.