But suppose Mark had actually seen his brother and had a quarrel with him; suppose it could be made to look as if Robert had killed Mark—
Antony pictured to himself Cayley in the passage, standing over the dead body of his cousin, and working it out. How could Robert be made to seem the murderer, if Robert were alive to deny it? But suppose Robert were dead, too?
He looks at his watch again. (Only twenty-five minutes now.) Suppose Robert were dead, too? Robert dead in the office, and Mark dead in the passage how does that help? Madness! But if the bodies were brought together somehow and Robert's death looked like suicide?.... Was it possible?
Madness again. Too difficult. (Only twenty minutes now.) Too difficult to arrange in twenty minutes. Can't arrange a suicide. Too difficult.... Only nineteen minutes....
And then the sudden inspiration! Robert dead in the office, Mark's body hidden in the passage—impossible to make Robert seem the murderer, but how easy to make Mark! Robert dead and Mark missing; why, it jumped to the eye at once. Mark had killed Robert—accidentally; yes, that would be more likely—and then had run away. Sudden panic.... (He looks at his watch again. Fifteen minutes, but plenty of time now. The thing arranges itself.)
Was that the solution, Antony wondered. It
