Peter Bradford is pathetic. The day produces not one but two unexpected witnesses, and he hasn't the presence of mind to say, "Your honor, in view of the surprise witnesses, I need some time to think things over." Nor does he ask Angelique, "So where have you been? And how is that you turned up so conveniently this morning?" No doubt she would have come up with a convincing answer, but he still should have asked the question.
So it never occurred to Barnabas that Abigail's death would be blamed on Vicky? And he thought everybody would believe Ben's story without further ado? He's pretty pathetic as well.
If Barnabas had known that Abigail's death would be blamed on Vicky, would he have bitten Abigail instead of scaring her to death? Or would he have gagged at the thought? I don't think we ever saw Clarice Blackburn as a vampire victim, which is a pity, because I'm sure that in that role she would have been marvellous, as usual, to watch.