The group 's leader had been lusting after the soldier 's wife .
The group 's leader had so raids her house , not only raping and killing the wife , but also brutally raping and killing the soldier 's younger sister .
The group 's leader had been lusting after the soldier 's wife , and so raids her house , not only raping and killing the wife , but also brutally raping and killing the soldier 's younger sister .