Harvard Law School professor emeritus Alan Dershowitz predicted on Sunday that special counsel Robert Mueller’s final report for the federal Russia investigation will be calamitous for President Trump.

“I think the report is going to be devastating to the president. I know the president’s team is already working on a response to the report,” Dershowitz said on ABC News’ “This Week.” “At some point when the report’s made public, and that’s a very hard question considering the new attorney general who has the authority to decide when and under what circumstance to make it public, it will be made public probably with a response alongside.”