thanks to bill crider for this post
Mind Prison - Kindle edition by Dave Zeltserman. Mystery, Thriller & Suspense Kindle eBooks @ Amazon.com.: Do you think you'll be able to guess the shocking ending of MIND PRISON?
In this mind-bending mix of science fiction and noir, a renowned scientist, Dr. Graham Winston, is developing an ingenious and, some might say, horrifying technology that will revolutionize prison. He's close to a breakthrough, except that he finds himself distracted by his beautiful mistress... and thoughts of murder.