“Now,” he said when we were settled, “tell me who turned the trick.”

“The secret’s safe with me.”

“You and me both,” he said cheerfully through smoke. “But what do you guess?”

“I’m no good at guessing, especially when I haven’t got the facts.”

“ ’Twon’t take long to give you all the facts there is,” he said. “Willsson got a five-grand check in Dinah Brand’s name certified yesterday just before bank closing. Last night he was killed by slugs from a .32 less than a block from her house. People that heard the shooting saw a man and a woman bending over the remains. Bright and early this morning the said Dinah Brand deposits the said check in the said bank. Well?”

“Who is this Dinah Brand?”