Anchor: It was a foregone conclusion that he would be suspected; but, to make it a sure thing there must be tangible proof ”such as the actual buying of the poison, and that, with a man of the peculiar appearance of Mr. Inglethorp, was not difficult. 
Entailed: There needs to be more proof for the conclusion.
Contradiction: There is no way to prove it was him.
Contradiction: It is well known that Lana went to the farmhouse with the men.
Contradiction: Some do and do not laugh at colonic humor.
Contradiction: I don't think it's Times.
Contradiction: You will want to be in Marigot early in the day at the quayside.