Police : James Earl Ray 's money came from a bank robbery in his hometown . Gun , masks used in robbery found near burial plot of Ray 's mother . Comment: Prosecutors believe he lived very cheaply on the run .
Police : James Earl Ray 's money came from a bank robbery in his hometown . Gun , masks used in robbery found near burial plot of Ray 's mother . Ray bought a Mustang and underwent plastic surgery before King 's death . Prosecutors believe he lived very cheaply on the run .