11.   But when we moved them back to a mouse, they grew huge and killed the mouse.

12.   If the mouse is killed, or if the two brothers gave up their hunt - would viewers care?

13.   Later, the mice were killed and their brains examined.

14.   When you place a mouse on an electric grid and administer shocks to it, you need not raise the shocks to a lethal level to kill the mouse.