Rusizi National Park is home to what animal holding a nearly-mythical status as a man killer in the region? 
Rusizi National Park:  It is 15 km north of the city of Bujumbura and home to hippopotamuses and sitatungas. Gustave, a Nile crocodile rumored to have killed 300 people lives here. Gustave (crocodile):  Though the actual number is difficult to verify, he has obtained near-mythical status and is greatly feared by people in the region.
Gustave