Main page: Dead Rising. Psycho Collector (20 ) How to unlock: Photograph 10 psychopaths. TipsEdit This and "Peacekeeper" work in unison. When facing one, quickly take a photograph of them and then continue fighting. Retrieved from "https://achievements.fandom.com/wiki/DR:_Psycho_Collector?oldid=11761" Categories: Xbox 360 Achievements Dead Rising Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.