No, no-one has because demons and spirits do not exist.
There are more mobile devices that can take HD pictures and video on this planet than there are people and yet not one video or picture has been produced as conclusive evidence that they do exist in the entire span of human history.
People who think they do are experiencing something else.
Those are the facts that we can conclude based on what evidence we have, anything else id opinion and speculation.
What started me off was researching why lots of people thing there are monsters in the basement, when you research how sound reverberates around a room lower than you and what it does to the frequency of sound and what it does when it hits your ears and brain it is fascinating.