Sudden enlightenment brought a cry from him.
"You! Then you wrote those letters! You are the 'One Who Knows'?"
Vittoria nodded; but her eyes were fixed upon the girl.
Oliveta was whispering through white lips: "It is the will of God! He has been delivered into my hands."
"I am beginning to—"
"Wait!" Vittoria did not withdraw her anxious gaze. After an instant she inquired, gently, "Oliveta, what shall we do?"
"There is but one thing to do."
"You mean—"
"I have been sent by God to betray him." Her face became convulsed, her voice harsh. "I curse him, living and dead, in the name of my father, in the name of Martel Savigno, who died by his hand. May he pray unheard, may he burn in agony for a thousand thousand years. Take him to the hangman, Signore. He shall die with my curse in his ears."
"I can't bring him to justice," Blake confessed. "I know him to be the assassin, but my mere word isn't enough to convict him. I have no way of connecting him with the murder of Chief Donnelly, and that is what he must answer for."