Update, Saturday, 11:55 a.m. EDT: The Snohomish County Sheriff’s Office in Everett, Wash., released a statement Saturday regarding its investigation into the Marysville-Pilchuck High School shooting Friday: “Investigators with the Snohomish County Multiple Agency Response Team ... have finished their on-scene investigation at Marysville Pilchuck High School following a shooting that occurred here yesterday morning. They recovered a .40-caliber handgun from the scene, believed to be the weapon used in the shooting. The motive for the shooting is still under investigation.”

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Jaylen Fryberg, the alleged shooter at Marysville-Pilchuck High School in Marysville, Wash., reportedly targeted two of his cousins when he opened fire in the school’s lunchroom Friday, killing an unidentified female and wounding four people. Fryberg subsequently died of a self-inflicted gunshot wound.

Don Hatch, the grandfather of one of the wounded, said Fryberg was the cousin of two of his shooting victims -- Andrew Fryberg, 15, and Nate Hatch, 14 -- according to CNN, which cited affiliate KOMO. “All three of them are cousins, and they live right close to each other,” Hatch said.

Andrew Fryberg and Nate Hatch were being treated at Harborview Medical Center in Seattle, and two unidentified female victims were being treated at Providence Regional Medical Center in Everett, Wash., KOMO reported Friday night. Hatch was listed in serious condition, while the other three each was listed in critical condition.

“This afternoon, four patients arrived at Providence Regional Medical Center Everett. A male patient was transferred to Harborview Medical Center. Three -- all young people, one male and two female -- remain at Providence with gunshot wounds to the head. All three are in critical condition. The male patient, age 15, is out of surgery and has been transferred to Harborview for pediatric intensive care. Both female patients are out of surgery and in the Critical Care Unit,” Providence Regional Medical Center said in a statement earlier Friday evening.

Authorities have yet to release the name of the suspected shooter, but eyewitnesses and relatives have named the freshman student as the one who began shooting inside the school’s lunchroom Friday around 10:40 a.m. local time (1:40 p.m. EDT). Jaylen Fryberg has been described as popular and was crowned the freshman homecoming prince, CNN reported. It is believed the  football player was recently in an altercation with another male over a girl. Fryberg’s Twitter account contained messages referring to his emotional state as well as potential threats.

Marysville police have not released information about a possible motive. “Only God knows what escalated this. Only God knows. Nobody pushed a button with bullying. It’s just something that happened, and we don’t know why,” Don Hatch said.

To show its support of Marysville-Pilchuck High School, Oak Harbor High School forfeited its football game Friday, giving Marysville the Wesco 3A North division title in Washington, ESPN reported.