A man who was shot and killed in his mother's driveway last year was apparently gunned down as revenge for testifying against another man, according to a search warrant made public Thursday.

Anthony James Prater, also known as "Demon," said he shot 35-year-old Vincent Samora in November "because he testified against my Homie Playboy," the warrant filed in Salt Lake's 3rd District Court states.

Police identified "Playboy" as Christopher M. Archuleta, a Salt Lake man who was convicted of shooting Samora in the stomach in 2005. Archuleta and Prater, 23, who police say is a Salt Lake gang member, were cellmates in the Utah State Prison, according to the warrant.

On Nov. 27, Samora had just pulled into the driveway of his mother's home, 1250 W. Glendale Drive (1350 South), when police say Prater fired eight rounds. Samora was shot in the back and died of his wounds.

Prater was arrested Dec. 17 and charged with first-degree aggravated murder, first-degree felony obstruction of justice and five counts of third-degree felony discharging a firearm from a vehicle.

James Sheppard, 27, who police say drove the car used in the shooting, has been charged with first-degree felony homicide, first-degree felony obstruction of justice and third-degree felony discharging a firearm from a vehicle.

Donna Quintana, 26, has been charged with two counts of first-degree felony obstruction of justice. Police say Quintana got rid of the gun used in the shooting and cleaned fingerprints from the car.

Hoping to find the weapon used in Samora's shooting, police searched Prater's 1984 Chevrolet Camaro on Jan. 10. They took photographs, a broken cell phone, a black face mask, an envelope and a letter from Archuleta, according to the search warrant.

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