What is the author's style in Plum Island by Nelson DeMille?

John Corey is the narrator, and his descriptions of people sounds like he is reading them from rap sheets. John's thoughts are laced with police terms and New York inside jokes.

The story is relayed entirely through observations, conversations and actions of John Corey. Additional information is brought into the plot via conversations with other characters, and everyone is speaking normal conversational English. All conversations and thoughts are brief, and there are no long soliloquies.