Is man born evil or is he corrupted by society? It is a question that divides philosophy into two waters. The truth is that humans are one of the few animals that kill their own species, and find pleasure in it...

Not all assassins are the same. Some are by accident when a fight got out of control; others were simply following orders, although that does not take away the reprehensibility of their actions.

Others, on the other hand, kill for fun, for pure entertainment or to obtain economic profit. There are those who kill to kill, such as serial killers. In this volume of the series, we will discover the most famous serial killers and summarize their cases.