people on the night of the murder. It may bring something contributory to light. Verify those you already know, such as Pfyfe's; and let me have the reports as soon as you can."
When Heath had gone Markham turned a look of angry exasperation upon Vance.
"Of all the confounded trouble-makers" he began.
But Vance interrupted him blandly.
"Such ingratitude! If only you knew it, Markham, I'm your tutelary genius, your deus ex machina, your fairy godmother."
