"You mean the result?" My father asked while chuckling, I nodded my head. "Scientists and leaders decided that it would be inhumane to test on us. So they tested on animals, but only ones with a high intelligence. Such as monkeys, and wolves. There was something wrong with the formula, it transformed the animals into things beyond horrible. Many of the animals became cannibals, or worse. They hunted humans. Scientists tried to stop them, but the animals couldn't be killed. The only weapon that could work on the animals was this," My father held up a shiny silver bullet.