It's a difficult question."Greens senator David Shoebridge said the simplest solution to the legal issues arising from giving evidence abroad is to allow Marcus to do so onshore."The basic rule is that Australian laws only apply in Australia and the Royal Commission Act is no exception," he said."The protections witnesses have under the Royal Commission Act, from injury, fraud and self-incrimination, don't work overseas This places Marcus in a very vulnerable position."Even where the Act contemplates evidence given in a third country, it's all designed for a pre-internet world, and doesn't apply to evidence given by Zoom or Teams."