Knowing the answer to this question is imperative for accurate discernment and for having the tools we need to fight in the spiritual war at large, however the general consensus in theological doctrines, even by St. Thomas Aquinas whom I admire, believes in what I call the demonic observational theory in which demons just observe us from our actions and words, but can't read minds. Not only theologians, but most of the internet seems to confirm that Satan and demons cannot r