> You can be a serial killer and still be a christian No. If you stick to what the Bible/Jesus say. You can be a former bad person, but to get the approval o

> You can be a serial killer and still be a christian No. If you stick to what the Bible/Jesus say. You can be a former bad person, but to get the approval of God you must repent and stop doing terrible things. Being both is being hypocrite, and that is probably the worse of all, ie: Jesus dislike more the hypocrite than the honest sinner that acknowledge his own faults.