Rare video shows an orca ripping open a 30-foot-long whale shark before feasting on its liver

• Divers captured rare footage of a gruesome killer whale hunting technique. 
• An orca off the coast of California was seen "slurping" the liver of a live shark. 
• Once it had its fill, the orca let the rest of the shark sink to the bottom of the ocean to die.

Divers in California have captured a rare video of a killer whale "slurping" the liver out of a live shark. 

The gruesome footage shows an orca tearing into the stomach of a 30-foot-long whale shark before removing its liver.