Whether she had been the principal in the deed, or an accessory before the fact, Lucian could not determine; but he was confident that in one way or another she was cognizant of the truth; although this she would probably conceal, as its revelation would likely be detrimental to her own safety.
At first Denzil intended to see Diana before visiting Mrs.Vrain, in order to relate all he had learned, and find out from her if the cloak really belonged to the widow.

But on second thoughts he decided not to do so.
"I can tell her nothing absolutely certain about the matter," he said to himself, "as I cannot be sure of anything until I force Mrs.Vrain to confess.

Diana," so he called her in his discourse to himself, "Diana will probably know nothing about the ownership of the cloak, as it seems new, and was probably purchased by Lydia during the absence of Diana in Australia.

No, I have the address of Mrs.Vrain, which Diana gave me.

It will be best to call on her, and by displaying the cloak make her acknowledge her guilt.
"With such evidence she cannot deny that she visited Wrent; and was in the vicinity of the house wherein her husband was murdered on the very night the crime was committed.