The man was there to provide a sign language translation and he managed to get very animated as the speeches went on, underlining the severity of the problem. At one point, it seemed as though he was communicating with another signer, who was sitting in the audience.
"There was zero percent accuracy. He couldn't even get the basics right. He couldn't even say thank you," Delphin Hlungwane, a South African sign language interpreter at DeafSA, told Reuters.
Jantjie later claimed he was suffering a schizophrenic episode at the Mandela memorial service.
More here: http://rt.com/usa/199448-nyc-ebola-sign-language/
"schizophrenic episode" right.