(NewsNation) — A former friend says she noticed red flags in the Minneapolis school shooter's behavior as far back as seventh grade, when the shooter did Nazi salutes in class and "verbally abused" friends.

Josefina Sanchez said she was friendly with Robin Westman, who killed two children and injured 18 other people Wednesday, when the two of them attended St. Agnes School in St. Paul, Minnesota.

"He was very erratic. Red flags all around but I didn't know, because I was just in the seventh grade," Sanchez said of her former classmate who attacked children and adults as they prayed at a Mass at Annunciation Catholic School.

"He would [Nazi] salute. He would write code and was very verbally abusive, like towards me, and his closest guy friends. Very verbally abuse."

No signs of gender d

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