FRESNO, Calif. — A doctor says a man charged in a deadly shooting rampage on the streets of Fresno isn’t mentally fit to stand trial.

The diagnosis announced Thursday in a Fresno County Superior Court says that 39-year-old Kori Ali Muhammad’s mental issues make him unable to assist in his own defense.

He’s charged with four counts of first-degree murder for the deaths of three people randomly targeted April 18 in downtown Fresno and a fourth victim, a motel security guard gunned down days earlier.

Muhammad is black and the victims were white.

Fresno County prosecutor Brian Hutchins disputes the doctor’s finding; he will seek a second doctor’s opinion.

Muhammad’s defense attorney Richard Beshwate says his client has a long history of schizophrenia. He faces life in prison or a death sentence.