Well, whatever his motivation... he needs to donate the camera to the Smithsonian. It belongs in a museum ~ and unless NASA gave it to him, it should have been there all along.
“Mitchell’s lawyer, Donald Jacobson, said NASA management was aware of and approved Mitchell’s ownership of the camera 40 years ago.
“Objects from the lunar trips to the moon were ultimately mounted and then presented to the astronauts as a gift after they had helped NASA on a mission,” Jacobson said.”