Fossey begins her study in the area of Kabara at the base of Mt. Mikeno. During this time, she learns the basic skills in tracking, approaching, and maintaining the trust of gorillas. She had finally gained acceptance by the particular animals that she was studying when an unexpected interference brought her research to a halt. Zairian soldiers captured and detained her due to the uprising of civil war. Seeing there was little hope for her release, Diane made a narrow escape to Rwanda that almost cost her her life.
Once in Rwanda, Fossey sets up a new camp she names Karisoke. Most of the research she gained was gathered here over the next thirteen years. Because of her re-location, Diane's studies are greatly delayed due to the fact that she had to establish connections with the new gorilla families. To help speed this process, Fossey learned basic gorilla actions to make them more comfortable with her presence. She performed techniques such as feeding and making the same hooting noises that they produced.
Each family unit, which Dian liked to call a "group", consisted of one dominating silverback male and up to twenty two other members. The dominating male performed such duties as leading the group