A Philosophical Investigation

When the English government mandates genetic testing for predisposition to violence in the early 21st century, it also creates an elaborate computer network to store the results. But when a computer expert with just such a violent predisposition breaks into the carefully-guarded data, he decides to protect the rest of society by killing off others on the list.
Enter Inspector "Jake" Jakowicz, a tough, smart cop who must use all her powers of intuition to track the sociopath who wants to draw her into a chilling dialogue about the nature of life itself.