Mourning in Malmoe. The seventh Inspector Anita Sundstroem mystery, Paperback

Shortly after Anita Sundstroem's mother's death, Anita is called to an apartment where a man with dementia has tried to kill his wife. The case sparks off renewed interest in the death of her father, lost in the 1994 MS Estonia ferry disaster. It's not long before she discovers that she has stumbled into a tangled web of conspiracy theories.