Is this what you are talking about? If so, that's referenced in his videos.
However the situation with Shaolin Do is even worse because Sin The has contradicted himself multiple times during a deposition when discussing the historical basis of his art which he asserted since the late 1970s came from the Shaolin Temple in China. Since Sin The admits he travelled around Indonesia studying with multiple masters, its likely that he's teaching a hybrid art with a heavy dose of Karate rather then a Shaolin Lineage. Certainly his current stories are inconsistant and unbelievable. *cough* burned baby, hairy master.