Oooooh! This is my favorite subject!
It seems OP is going through an internal conflict about if god exists, probably steming from the thought that if god has created bad things, he cannot be good, and therefore cannot exist.
This leads me to believe that OP is also a fucking retard because science proves that god doesn't exist. But, if you want more reasons to throw on your mind, go ahead and google these few things:
Psalm 137:9
Timothy 2:12
Jeremiah 19:9
Peter 2:18
2 Kings: 2:23-24
Leviticus 18:22
Enjoy.