What a horrible thought!

Are there many murders committed with icicles? Because that seems to be the most efficient killing tool ever, in moderate climates. The muder weapon can evaporate, right? And they're easy to make- you just get a sharp, sharp mold and pour in the water and then superfreeze it and then...
But don't tell anyone about this method, because in the wrond hands, it could come back to haunt you or myself.
Maybe its just not such a good idea after all. It isn't as though I would test it out or anything.
Just a horrible thought. Or an horrible thought.