So is the existence of free will in the scope of science? Are you suggesting that science cannot help us determine if reality actually exists but it can tell us

So is the existence of free will in the scope of science? Are you suggesting that science cannot help us determine if reality actually exists but it can tell us if free will exists? EDIT: I think it cannot for the simple reason that the so called individual is trying to figure out if there is scientific evidence of his own existence.