Shared Madness - True Stories of Couples Who Kill

Such unfortunate unions have been behind some of the most shocking news stories of recent years. But what is it that makes couples like Myra Hindley and Ian Brady follow such a twisted path of sociopathic violence? In this, the first in-depth study of cases of the condition known as folie a deux (shared madness), bestselling crime author Christopher Berry-Dee invites the reader to look these 'killers couples' right in the eye.