‘Cannibal ate himself during deportation’: Is there any truth to Kristi Noem's bizarre claim?

During a visit to 'Alligator Alcatraz' detention centre in Florida, US Homeland Security Secretary Kristi Noem claimed an illegal immigrant began eating himself mid-air during a deportation flight. She said the 'deranged' individual injured himself so badly they had to deboard him for medical attention. But is the incident true?

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