Queen of Hearts by Fred M. White — Read

From one point of view, the startling information with regard to Mortimer Heek was something of a blow to Parkhurst. Naturally, he had not contemplated another tragedy within a tragedy, for somewhere in the back of his mind was a scheme which would have enabled him to confront Heek with proofs of his crime, and force a confession from him. Now, of course, he would have to abandon that and start from another base.

There was little or nothing in the newspaper beyond the fact that Mortimer Heek had come to a violent end.