`` and even as reg was rushing across the room , apparently planning to kill that child , ' jane told me , 'i had time to wonder just how many times he had been in that room , shooting that gun into the typewriter when his mother and i were maybe upstairs changing beds or in the backyard hanging clothes where we could n't hear the wah-wah-wah ... where we could n't hear that thing ... the fornit ... inside , screaming .