He went into hiding posing as an Earthling named Carpenter while temporarily residing in a boarding house with a human family (single mother/widow Helen (Patricia Neal) and her son Bobby (Billy Gray)), in order to observe and understand heir Earthly lives, and also to attempt to establish contact with Earth""s leading scientist Dr.Both sides appear to ignore the endangerment that hey arbitrarily cause for the town""s innocent inhabitants in the chain reaction of gunfire.The endless tracking shots of Mireau through the trenches are absorbing and dramatic, along with distant sounds of exploding mortars.The robbery of the racetrack had already occurred when they arrived, and Cain had been killed by Karla with a gunshot to the head.Erik proposed that the mutants choose sides ("This society won""t accept us.We form our own.The humans have played heir hand.Now we get ready to play ours.Who""s with me? No more hiding").Mystique, Riptide, Angel, and Azazel joined Erik""s side.As she left after saying goodbye to Charles, Mystique advised McCoy o embrace his mutant status ("Never forget, mutant and proud").