Zoran Savo and Beady Eyes are the only two characters known to have worked for Chenchey. It is unknown what other types of research the Chenchey Institute conducts. Lisa Gellhorn had been tracking Savo for a long time, since he was the cause of her sister's death. In one of Elliott's flashbacks inside of Hotel Persephone, Lisa can be seen looking at her laptop. On her laptop is information about the Chenchey Institute of Research. ("Hotel Persephone") In "Via Domus", a letter was found by Elliott Maslow in Rico's shop that read: