perhaps they are ghosts who are earthbound and are in need of being crossed over? If so, maybe you could help them that way.
If you have a recorder, try using it to see if you can pick up any messages from them.
The higher we soar the smaller we appear to those who can not fly.
Friedrich Wilhelm Nietzsche
Most people find anger addictive. It makes their egos feel righteous, justified or victimized. Pointing the finger at another is easier than facing one's own shadow.