A 20-year-old Seattle man accused of killing a high-school student and wounding another in a Shoreline apartment-complex parking lot early Wednesday is charged with murder.

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A 20-year-old Seattle man accused of shooting and killing a high-school student and wounding a second at a Shoreline apartment complex early Wednesday opened fire because he believed he had been disrespected by one of the victims, according to charging papers.

Joseph Cooley has been on the run since he killed Tiana Montgomery, a 17-year-old Shorecrest High School student, and wounded Darrold Devaughn Edwards, an 18-year-old Shorewood High School student, said King County prosecutors and sheriff’s deputies. On Friday, an arrest warrant and felony charges of second-degree murder and attempted second-degree murder were filed against Cooley in King County Superior Court.

King County prosecutors have asked that he be held in lieu of $2 million bail once he is arrested.

A girl who witnessed the shootings at the Maplewood Court apartment complex, 328 N.W. Richmond Beach Road, told investigators that when she asked Cooley why he shot her boyfriend and Montgomery he said it was because Edwards had been “buck” with him. In her report, sheriff’s Detective Cynthia Sampson explained that the term means he felt “disrespected.”

Charging documents don’t explain why Cooley felt he had been disrespected.

Edwards, who is recovering at Harborview Medical Center, told deputies that Cooley approached the car he was in with Montgomery. He said that Cooley said “what’s up?” and pulled a black handgun out of the waistband of his pants. Edwards replied: “What are you going to do, shoot me?”

Cooley then opened fire, shooting Edwards in the leg and at least two more times in the back, according to charges. Montgomery was shot once in the torso.

Montgomery managed to drive them from the apartment complex but she quickly lost consciousness, according to the charges. Edwards then moved into the driver’s seat and kept going until he spotted deputies and flagged them down.

Several hours after the shootings, Cooley’s Mustang was found abandoned behind a medical-marijuana dispensary in North Seattle.

Video surveillance from the business, Green Relief, showed that he arrived there at 12:58 a.m., almost 30 minutes after the shooting. Cooley stayed at the dispensary for about 30 minutes before leaving with someone who had entered after him, court charges said.

Cooley is described as being 5-feet 2-inches and weighing about 110 pounds. He has no criminal history, Senior Deputy Prosecutor John Castleton wrote in charges.

He is believed to be armed, according to the Sheriff’s Office.

Jennifer Sullivan: 206-464-8294 or jensullivan@seattletimes.com. On Twitter @SeattleSullivan.

Seattle Times news researcher Miyoko Wolf contributed to this report.