Jan 7, 2020
While mass killings have been seen throughout American history, serial killing began to be recognized as a separate issue in the 1970s, while mass killings began to be designated separately because of high profile cases in the 1980s.


This documentary dares to examine some of the darkest, most twisted minds and their disturbing actions. What motivates these cold-blooded killers?
Browse every episode and jump into details.
Jan 7, 2020
While mass killings have been seen throughout American history, serial killing began to be recognized as a separate issue in the 1970s, while mass killings began to be designated separately because of high profile cases in the 1980s.
Jan 14, 2020
When Charles Whitman opened fire on a Texas university campus in the 1960s, it became the quintessential example of public, random killings in which being in the wrong place at the wrong time could be deadly.
Jan 21, 2020
While some killers commit calculated and planned murders, it's far more likely for a mass murderer to go on an impulsive, rage filled killing spree.
Jan 28, 2020
Many mass killings have been committed against people of specific races and religions in an act we define as a hate crime.
Feb 4, 2020
It's usually a place of security, but workplaces can become the target of a disgruntled worker with a gun.
Feb 11, 2020
While Columbine is one of the most well known examples of a school massacre, the phenomenon is not a new one.
Feb 18, 2020
In 1975, on Easter Sunday, James Ruppert decided to kill 11 of his family members. While it was the largest family killing in American history, it would not be the last.
Feb 25, 2020
Cult leaders attract devoted and fanatic followers, and sometimes convince them to take their lives in order to reach eternal peace.
Mar 3, 2020
To evade detection or consequences, some killers resort to fires or explosions to carry out their attacks on the public.
Mar 10, 2020
In a twisted attempt to send a political message, some resort to mass murder.
Quick answers about this season's release timeline and episode lineup.
Becoming Evil: Rampage Season 1 premiered on January 7, 2020.
Becoming Evil: Rampage Season 1 has 10 episodes.
The season opens with Season 1 Episode 1, "A New Kind of Extreme Killing Emerges: Mass Murder". It aired on January 7, 2020.
Go to Season 1 Episode 1