Oedipus (Euripides) defeated the Sphinx, earning for himself the newly vacant throne of Thebes and marriage to Thebes' newly widowed queen Jocasta. Periboea arrived in Thebes in a chariot that Oedipus had sent her as a gift, which had belonged to the previous king Laius and which Laius was riding when he was killed. Laius' servants would have recognized the chariot, thus realizing that Oedipus was the killer of Laius, and blind him as punishment for the deed. Creon might have been involved in the blinding. As yet, it would not have been revealed that Oedipus was the biological son of Laius,
The Infernal Machine (play) of the Ghost of King Laius, when the Officer arrives. The Officer questions the two about the ghost sighting and leaves them to their duties. Tiresias and Jocasta enter and question the soldiers about the ghost sighting as well. As Jocasta begins to believe more and more, the ghost of King Laius appears. Despite his calls for his wife, he cannot be seen or heard by anyone else. After the cock crows in the dawn, Tiresias and Jocasta exit. After the two leave stage, the ghost of King Laius becomes audible and visible to the two soldiers. Laius struggles, apparently