the thief in the night

In this song, the writer is saying that if you don't live a good live you can lose it an they take you away and if you live a good live you will not take you away. What i think that happens when you die is that you just go to heaven if you did not kill everyone and if you did not try to do this. And if you did kill someone you go to the place that the devil lives at which is (he double hockey stick)