He did testify. He was a witness for the prosecution.
He testified against them and they were acquitted.
He did not answer all the questions, though.
Look, if you want to argue that he is completely innocent of any wrong doing, including covering up evidence then you are clearly being a homer.
It would be like me defending Roethlisberger.
Ultimately none of us knows the absolute truth about either issue, but any reasonable person can connect the dots.
