500
After the Dauntless where split into to groups, one with Candor/Themselves, and one with Erudite. As the group with Candor moved back to the Dauntless place, they shot all the security cameras, but some where left. The Erudite used those to kill three people, who where these people and how did they die?
What is Hector, Marlene, and a eight year old unknown. They where controlled by a serum that was injected before, and jumped off a roof