Kerrey denied an account by another member of the team, who says they just rounded up the civilians and shot them. He said, "There are seven guys with seven different stories."
All I would add is that if this were a Republican senator, Democrats would be clamoring for an investigation. They would invite the other members of Kerrey's unit to testify and they would search for witnesses to the attack and interview them. Of course, if Republicans did this, they would be mean-spirited and guilty of re-fighting the Vietnam war. That's the way the game is played here.