What are two reasons why Oedipus wants to find murderer in
1.
To free Thebes from a plague. The plague has been ravaging the city for several months, and Oedipus believes that killing Laius's murderer will lift the curse.
2. To clear his own name. Oedipus is deeply troubled by the rumors that he is the one who killed Laius, and he wants to prove his innocence.