"That suggestion lingered in my mind.

When the detective, Mr.Birnes, reported that Mr.Wynne was an importer of brown sugar I was on the point of advancing a theory that the diamonds were manufactured, because of all known substances burnt brown sugar is richest in carbon.

But you, Mr.Latham, had discredited a previous suggestion of mine, and I--I--well, I didn't suggest it.

Instead, that night I personally began an investigation to see what disposition was made of the sugar.

I found that the ships discharged their cargoes in Hoboken, that the sugar was there loaded on barges, and those barges hauled up a small stream to the little town of Coaldale, all consigned to a Mr.Hugo Kellner.
"It took Friday, all day Saturday, and a great part of to-day to learn all this.