Aaron sneaks up behind him and strikes him with a crowbar , nearly ripping off his ear .
Ripley does not believe him , and backs away towards the furnace as he begs her to give him the creature .
Aaron sneaks up behind Ripley and strikes Ripley with a crowbar , nearly ripping off Ripley 's ear .
Ripley does not believe him , and backs away towards the furnace as he begs her to give him the creature .