Family members told KIRO-TV that Andrew Fryberg and Hatch are cousins of Jaylen Fryberg. Two other students were treated at the high school for minor wounds, authorities said.

The strong, determined voice told a 911 dispatch operator that she was standing with the student, Jaylen Fryberg, who had just opened fire inside a high school cafeteria. "I have the shooter.

Jaylen Fryberg was from a prominent Tulalip Indian family. Marysville-Pilchuck High School is located about 30 miles north of Seattle. ABC News and the Associated Press contributed to this report.

The shooter, Jaylen Fryberg, died of a self-inflicted wound. Three other students remain hospitalized, two in critical condition and one in serious condition.

Gia Soriano, 14, succumbed to her injuries on Sunday night, and three other victims remain hospitalized. The medical examiner's office has ruled shooter Jaylen Fryberg's death a suicide.