What did the shark vomit?

In an episode of the Mind Pump Podcast, the hosts discussed a shocking incident where a shark vomited a human arm on the beach. The arm even had a tattoo of two boxers sparring. This bizarre event, which occurred at an aquarium in Sydney, ultimately helped identify the victim as James Jimmy Smith, an amateur boxer. The story dates back to 1935 and was used to solve a crime 1.