Oedipus engages with the blind prophet Tireias. What is the basis Oedipus' appeal to Tiresias--how does he try to get the truth from him?

Oedipus begs Tiresias to reveal who Laius’s murderer is. Oedipus basically goes on a wild rant against both Tiresias And Creon. He accuses Tiresias of the murder and accuses Creon of trying to overthrow him.