Many prominent leaders from around the world went to Nelson Mandela's memorial service in South Africa and, as is often the case at big events like this, they had a sign language interpreter there to translate for the hearing impaired. The only problem was that the movements the translator was making with his hands made no sense and many people became suspicious of him. So we brought in a real sign language interpreter to tell us what this guy was actually signing.

Jimmy Kimmel Live - Sign Language Interpreter Translates Mandela Memorial Imposter's Signs