The internet has become an integral part of most people's lives—and that also goes for the most violent criminals, who have found new outlets for sex, drugs, and terrorism. Criminologist Christopher Berry-Dee takes an unflinching look into the darkest recesses of cyberspace and what he has unearthed may make you switch off your computer for good. With years of experience in understanding the criminal mind, Berry-Dee rigorously analyzes how the ease of access to the most depraved of materials on the net has fed the imagination of the world's sickest fiends. From the terrible obsession that ended in the death of a teacher to the girl who learned how to commit suicide from the web, these true stories of the net's worst uses will shock you to your core.