back now to one of our top stories this hour. republican congressman chris collins of new york arrested on charges of insider trading. prosecutors say collins tipped off his son about negative information regarding a biotech firm. collins was on the board of. his son was able to then sell off shares avoiding more than half a million in losses. collins was already, by the way, under scrutiny for his role on the board, as well as recruiting several lawmakers to invest in the firm, including the former health and human services secretary tom price when he was a member of congress. price's investment, by the way, came up during his confirmation hearing last year. i asked congressman collins about it at the time. here's what he told me. this is in january of 2017. did you encourage him to buy stock in this company called innate immunotherapeutics? >> no, absolutely not. there was nothing done that was insider trading or unethical.