But so far there is no clear evidence of this.
The administration has come under growing political pressure in recent weeks to show clear evidence to back those claims.
"That is always possible, but without some clear evidence, what can we do?"
At the same time, it offers no clear evidence that he would not.
"There is clear evidence the interest of the police was to bring us into this court," she added later.
But, there is no clear evidence that the two men met in London.
This election provided the first clear evidence of that process at work.
But Justice did not have clear evidence that the critics were right.
The findings, they said, provide clear evidence for the first theory.
But there is not clear scientific evidence to show that they help.