Subject(s): Hamilton, Della -- (Fictitious character) -- Fiction | Carter, Mason -- (Fictitious character) -- Fiction | United States -- Federal Bureau of Investigation -- Officials and employees -- Fiction | Serial murder investigation -- Fiction | Serial murderers -- Fiction | Government investigators -- Fiction | Murder -- Investigation -- Fiction | Homicide -- Fiction | London (England) -- Fiction | Detective and mystery fiction | Fiction | Paranormal fiction | Thrillers (Fiction) | Novels