An FBI agent testified today, that Minneapolis police officer Mike Roberts admitted to agents he'd done something wrong. It was the third day of testimony in a corruption lawsuit against the Minneapolis officer. By this afternoon, the defense attorneys had begun their case. Minnesota Public Radio's Brandt Williams was in the courtroom... *Brandt, earlier today, what did the FBI agent say that officer Roberts did?agent said roberts changed his story about taking money for information after being shown tape of the deal - admitted doing something wrong only then - also filing false police report to cover up money transfer *what else did federal prosecutors present today as they continued their corruption case against officer Roberts?