A man wanted in connection with a slaying in Phoenix fatally shot himself in the head after a carjacking and police chase Thursday in Tucson, police said.

Hector Karaca, 24, crashed the stolen car he was driving at East 22nd Street and South Fifth Avenue and ran away, said Tucson police Sgt. Chris Widmer.

Karaca ran into an alley and, when confronted by officers, he pulled out a handgun and shot himself in the head, Widmer said. Officers performed CPR on him at the scene and he was taken by ambulance to a hospital, where he was pronounced dead.

Widmer described what happened leading up to the shooting:

Federal marshals had the man under surveillance at a hotel in the 7000 block of South Tucson Boulevard.

At about 1:15 p.m., Karaca and three others left the hotel in a pickup truck and drove to the Tucson Spectrum shopping plaza, at West Irvington Road and Interstate 19. It was there that he and another man apparently carjacked a red Chevrolet Camaro and left the shopping plaza.

The vehicle was being driven at high speed through Tucson streets. It was being followed primarily by a police helicopter and no ground units were involved in a direct chase, Widmer said. The helicopter kept ground units informed about where the Camaro was going.

At some point, Karaca stopped and let the other man out, and continued driving at high speed.

The Camaro crashed into a pickup truck at 22nd and South Fifth, where the shooting occurred.

Several other people have been taken into custody. Information about the Phoenix case in which Karaca was a suspect was not available.

Police closed 22nd in both directions between South Fourth and Sixth Avenues to conduct the investigation.

There were other numerous crime scenes on the south side associated with this incident.

No other injuries were reported.

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