"Well, you asked me what I thought, and I've told you. I think she's a shallow fool."
"And her sister?" Grant asked, though that had nothing to do with the investigations.
"Oh, she is different. She has any amount of brain and personality, though you mightn't think so."
"Would you say that Mrs. Ratcliffe would commit a murder?"
"No, certainly not!"
"Why not?"
"Because she hasn't got the guts," said Miss Dinmont elegantly. "She might do the thing in a fit of temper, but all the world would know it the next minute, and ever afterwards as long as she lived."
"Do you think she might know about one and keep the knowledge to herself?"
"You mean the knowledge of who was guilty?"
"Yes."