Lucas Davenport investigates an anonymous threat to the children of US politicians in this edge-of-your-seat thriller from the internationally bestselling author John Sandford.

The daughter of a US Senator is monitoring her social media presence when she finds a picture of herself on a strange blog. And there are other pictures . . . children of other influential Washington politicians, walking or standing outside their schools, each identified by name. Surrounding the photos are vicious political rants from a variety of radical groups.

It's obviously alarming – is there an unstable extremist tracking the loved ones of powerful politicians with deadly intent? But when the FBI is called in, there isn't much they can do. The anonymous photographer can't be pinned down to one location or IP address and, more importantly, no crime has actually been committed. Yet.

There’s only one person who has a hope of finding the person behind this, one person who can operate outside the FBI's constraints: Lucas Davenport. And he’ll have to act first before someone gets hurt . . .

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‘One of the great novelists of all time’ Stephen King

‘A series writer who reads like a breath of fresh air’ Daily Mirror

‘John Sandford knows all there is to know about detonating the gut-level shocks of a good thriller’ New York Times Book Review

‘John Sandford has the Midas touch’ Huffington Post

‘Delivers twists to the very last sentence’ Daily Mail

‘Crime writer John Sandford is one of the best around’ Sun