'Fake' deaf interpreter at Nelson Mandela memorial blames illness for performance.

 South Africa’s deaf federation said this interpreter (seen here with President Obama after his speech at the memorial service for former South African president Nelson Mandela) was a fake. He has been identified in local media as Thamsanqa Jantjie.
The 'fake' sign language interpreter who flapped his hands throughout Nelson Mandela’s memorial service has said that he sufferered a schizophrenic episode on stage.

The man, who has been identified by local media as Thamsanqa Jantjie, told The Star that he started hearing voices and hallucinating during his performance, despite having taken his medication.