MARYSVILLE, Wash. (AP) — Authorities officially released the names and causes of death of one of the victims and the gunman killed during the Washington state high school shooting.

The Snohomish County medical examiner’s office said Monday that 14-year-old Zoe R. Galasso died of a gunshot wound to the head and is a homicide victim.

She was one of two girls who died after 15-year-old Jaylen Fryberg opened fire Friday at Marysville-Pilchuck High School north of Seattle. Three other students remain hospitalized.

The medical examiner says Fryberg died of a gunshot wound to the head and has ruled his death a suicide.

The office hasn’t yet released the official cause of death for 14-year-old Gia Soriano. Providence Regional Medical Center in Everett announced her death Sunday. She also had a head wound.