The killer bees are the result of an experiment gone terribly wrong. Brazilian scientists wanted to breed a new species of honeybee in the 1950s, but some bees escaped and began mating with Brazilian honeybees. The result was the Africanized bee, an animal that hunts in swarms.

Whenever they hear you coming with a lawnmower or trimmer, they will attack you. Even if you run away, they will chase you as far as 1,000 feet and they can continue attacking for up to 10 hours.