"And you came to stop us from killing the doctor?"

This leads to a chase scene that ends with Michael killing the doctor.

The cops open fire, killing both the infant and the doctor.

I asked Tom if anybody could have killed the doctor in order to mess up the deals he had on the fire.

If he'd killed the doctor that's just exactly what he would have done.

"Did you kill the doctor with one of his surgical instruments?"

Outlaw has not killed the doctor, but instead removed him to Cuba.

He also kills the doctor at one point of time.

English: "Although they had not killed the doctor, the police arrested the men."

He is the one who killed the doctor and gave her to the Doctor.