True crime. Americans have become fascinated with the media genre in which actual crimes of real people are explored in depth. A genre which exploded at the beginning of the 21st century. A genre that focuses on murder. The more hideous and bizarre, the better with the biggest sub category of true crime being the story of the serial killer. At the heart of these stories lay perplexing questions. Who are they? Why do they kill? Prior to the true crime explosion, psychologists and criminal investigators thought they had the serial killer figured out. But it turns out the answers are much more complex and troubling. Becoming Evil: Serial Killers is a shocking, new investigative documentary series that profiles some of history's most notorious mass murderers. This 7-part documentary series is filled with expert interviews and in-depth portraits of some of America's most infamous killers including John Wayne Gacy, David Berkowitz, Richard Ramirez, James DeAngelo, Aileen Wuornos, Jeffrey Dahmer, Andrew Cunanan, Ted Bundy and many others. ATTENTION: please remember that all Blu-Rays are Region A USA and all DVDs Region 1 USA and you will need a multi region Blu-Ray/DVD player to play them.