What did Pritais Zihiranyirazo use to kill Dian Fossey?

Pritais Zihiranyirazo was implicated in the murder of Dian Fossey, who was killed in 1985 in her gorilla research lodge in Rwanda. While specific details of the weapon are not universally agreed upon, it is believed that she was attacked with a machete. The motives behind her murder were tied to her efforts in conservation and her opposition to poaching in the region.