 Instead, the Senate Ethics Committee investigated them.Robert S. Bennett, who was the special investigator for the committee, wanted to drop any action against McCain and Senator John Glenn, on the grounds of insufficient evidence, but the committee disagreed.After public hearings, McCain was mildly rebuked by the committee for exercising "poor judgment" in intervening with the federal regulators on Keating's behalf, but its 1991 report said that McCain's "actions were not improper nor attended with gross negligence and did not reach the level of requiring institutional action against him.