Carl Bernstein, the veteran Washington Post journalist who reported on the Watergate scandal, argued Rudy Giuliani was trying to “throw bombs” into special counsel Robert Mueller’s Russia probe.

“Rudy Giuliani is capable of being so reckless as we have seen throughout the campaign and as we are seeing now, that it is very difficult to parse what he is doing and saying, except that he is trying to throw bombs into the Mueller investigation,” Bernstein told CNN’s Anderson Cooper on Friday.