‘Fact-finding on whether Trump engaged in insurrection is done’: Legal expert on Supreme Court case

It seems you're referring to a statement made by a legal expert regarding a Supreme Court case related to former President Donald Trump and the January 6th insurrection. Without more context or information about the specific case or the legal expert, I can't provide further details. If you provide more information, I'd be happy to help you understand the situation better or provide relevant insights.