War is something that can never be accepted. There's not a good way of dying. But some methods used in wars are worse than others and it makes you wish people hadn't died like that. Before, we shared a listicle about the inhumane act that was done in Nazi concentration camps. In this list, we're going to take a look at one these brutal issues. Here is the dark story of Shiro Ishii that caused massacre using the biological warfare techniques in the Second Chinese-Japanese War and the World War II: