Hidden in Plain Sight by Archer, Jeffrey.

Jeffrey Archer’s Hidden in Plain Sight is the second novel featuring Detective William Warwick, by the master storyteller and #1 New York Times bestselling author of the Clifton Chronicles

This is not a detective story, this is a story about a detective . . .

William Warwick has been promoted to detective sergeant, but his promotion means that he, along with the rest of his team, has been reassigned to the drug squad. They are immediately tasked with apprehending Assem Rashidi, a notorious drug dealer who operates his extensive network out of South London.