Eileen heard what Dorian had said but all she did was roll her eyes. She continued her night doing her job, murdering "innocent" women. What nobody knew was that these women she killed weren't exactly innocent. She wasn't trying to reduce the population, she was just doing her job that was given to her when she herself died. She chose neither heaven or hell, so she was given the job as a grim reaper. Also a thankless job.