Spirit attachment is common in drug users and alcoholics.
They also happen when a person is in severe depression or under general anesthesia during surgery.
Now that is a fascinating account. There is so much that man doesn’t understand in life, though many arrogantly think they have all the answers. Let me suggest you contact Greg Hunter or Stew Peters for an interview. Both are God-fearing Christians who have Internet channels. Greg is mostly on YouTube while Stew posts on Brighteon. I would be willing to help you set this up if you send me a personal message.