It means that it gets to reside in the "Unexplained Yet" folder.
There is an advantage though to just making up an answer like "goddidit", one that could really be a significant help to those of us in the US particularly. Right now budgets are tight, resources are stretched thin. Our police forces are increasingly challenged by the costs of investigating new crimes as well as all those old unsolved crimes.
Why not simply stamp each unsolved crime that is over some time limit, say three years old, as "goddidit" and close the case?
Anyone so limited that they can only spell a word one way is severely handicapped!