Select the option that expresses the given sentence in indirect speech.
The landlord said, "The detective looked for the murder weapon and the policeman questioned the witnesses."
1
The landlord said that the detective had looked for the murder weapon and the policeman questioned the witnesses.
2
The landlord said that the detective looked for the murder weapon and the policeman questioned the witnesses.
3
The landlord said that the detective had looked for the murder weapon and the policeman had questioned the witnesses.
4
The landlord said that the detective looked for the murder weapon and the policeman had questioned the witnesses.