Does it take a serial killer to catch a serial killer? How do police profilers relate to the psychology of a serial killer to help catch them? In today's educational video we are looking at the talented but also disturbing line of work of a serial killer profiler. | The Infographics Show

This alleged cop killer threatened to kill even more people during his courtroom trial. Read more about it: goo.gl/se4PRx | Law&Crime

After a long manhunt, cops finally close in on a serial killer. | Cold Case Files

Before being executed, these serial killers gave us chilling, disturbing interviews | WatchMojo