He said he and Arkush “went through every possible objection” and found no legal barrier for prosecutors to raise criminal charges against companies that he said have lied about their knowledge of the danger of burning fossil fuels. “What’s really probably stopping them is that no one has done it before,” Braman said. “The level of culpability and the extent of the harm is so massive that it’s not the kind of thing that prosecutors are used to prosecuting.”