Hollywood Station : a novel / Joseph Wambaugh.

Enhanced descriptions from Syndetics:

They call their sergeant the Oracle. Hes a seasoned LAPD veteran who keeps a close watch over his squad from his understaffed office at Hollywood Station. They are: Budgie Polk, a 27-year-old firecracker whos begrudgingly teamed with Fausto Gamboa, the oldest, tetchiest patrol officer. Andi McCrea, a single mom who spends her days studying at the local community college. Wesley Drubb, a USC drop-out who joined the force to see some action. Flotsam and Jetsam, two aptly named surfer boys who pine after the petitebut intrepidMeg Takara. And Hank Driscoll, the one who never shuts up. Together they spend their days and nights in the citys underbelly, where a string of seemingly unrelated events lures the cops of Hollywood Station to their most startling case yet: Russians, diamonds, counterfeiting, grenadesa reminder that nothings too horrific or twisted for Los Angeles. Here, its business as usual. For the first time in 20 years, Wambaugh revisits the kind of story he tells bestlife in the LAPD. Not only have his fans been waiting for this comeback, but readers of the new generation of police writing will have great interest in this book.