Answer:
He refused to testify. He kept repeating the phrase "I don't recall"
Step-by-step explanation:
Richard M. Daley was a man who was once held the position as the mayor of Chicago.
His administration was accused with so many corrupt practices, including various contracting scandal ,alleged fund stealing that originally intended for public infrastructure, etc.
When he was asked on court by the omission, he kept avoiding the questions asked by the omission. He kept repeating the phrase "I don't recall" for around 139 times during the proceedings.