"For what?" asked Calvert, puzzled.
"For letters, pictures, diaries, and all that sort of thing."
"You won't find any. Derrick discovered that everything had been removed, by the murderer no doubt, so that the reason for the crime would not be discovered."
"That's so. And you hang on to the fact that it was a woman who engineered this job. A man wouldn't be so 'cute. She came right along when all was quiet and looted the house. But I guess Derrick's a fool. There may be all kinds of papers hanging round. And he didn't examine the dustbin. Now, I did, and I found a torn photo----"
"Of Brand?" asked Calvert breathlessly.
"No; of Mrs. Brand."
Calvert looked disappointed.
"Derrick has one already."
"I guess so, and he don't know what use to make of it. I find on the photograph, very naturally, the name of the photographer."
"Well, what of that?"