It was was either tacit or direct approval by him to continue... And in either case it falls under the knew or should have known clauses of those crimes... You can't claim ignorance. The top person gets all the glory when they do really well and all the blame when they fail. It's why CEOs get the big bucks (or at least why they argue that they should get them).
Hopefully the world can get justice and put this behind us and move forward.
Hopefully the world can get justice and put this behind us and move forward.