"How could sin exist in God's presence though? Down here they sin and are condemned to death, up there they aren't condemned to death for the same thing? That's justice?" Sin can't exist in God's presence eternally. Through Jesus's sacrfice, God can forgive us for the sins we commit. And no, they aren't condemned. They were already raised from the condemnation placed upon them. "And since free will exists in heaven,it exists in hell too, right?" I don't know what hell is. But I can say this: The ones that go to heaven choose to. Those that go to hell, in the same way, choose to. Whether you have free will or not doesn't quite matter. It's in this part of life that you make the choice.