(NBC NEWS) The vetting of a sign language interpreter who got within three feet of world leaders including President Barack Obama during Nelson Mandela's memorial was being investigated Thursday after organizers admitted they were unaware of his violent history of schizophrenic episodes.
Thamsanqa Jantjie, 34, was accused of gesticulating gibberish during Tuesday's service. Members of the deaf community said his movements did not resemble any recognized form of sign language and some groups accused him of being a "fake."
Jantjie told Johannesburg's Star newspaper he started hearing voices in his head and hallucinated while at the Mandela event, resulting in gestures that made no sense and outraged deaf people around the world.
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