Also set in Edinburgh, Noise Abatement is the most autobiographical of Davis's novels, in that she, like the protagonist, endured neighbours from hell when a band moved into the flat above her.
For Women Who Kill: Profiles of Female Serial Killers, she interviewed the clergyman who heard Myra Hindley's confession, and arrived at what has been called a fair assessment of a complex case.
Children Who Kill: Profiles of Preteen and Teenage Killers includes details of her friendship with the then-youngest boy in Scotland ever to be charged with attempted murder.
In Couples Who Kill: Profiles of Deviant Duos, she met one of the surviving victims of Fred and Rosemary West, as well as corresponding with a convicted British serial killer and with a journalist who had spent time with one of America's cruellest torture-killers, now on death row.
Sadistic Killers: Profiles of Pathological Predators, included input from a psychiatrist who successfully treated imprisoned psychopaths by helping them come to terms with their brutalizing childhoods.
[5] "Masking Evil: When Good Men And Women Turn Criminal" includes interviews with a psychologist and two criminologists and profiles 37 pillars of the community who were murderers, paedophiles or repeatedly abusive parents.