"What more evidence do you need?"
Evidence that it happens to everyone and not to just relatives of people.
The problem I have with this is: People died in the hospital and are brought back. They report that they see themselves and/or family. How can they see? They are lying on a table. Oh, it's their spirit. How can spirits see? Do they have retinas that absorb the visible light spectrum, and then that light gets converted to electrical signals to get transferred to a processing center and then those pictures are compared to memories. Do spirits have memories? Where are they stored?
Why is it always seeing or communicating with relatives? Why hasn't anyone seen Elvis or Abe Lincoln or others in history?
How can this kid report that he saw his grandfather at a young age when he would not know what he looks like?
How could Colton explains how he saw Mary, Samson, Peter, John, etc in Heaven, when he does not know what they look like?