(CNN) — Attorneys are giving closing arguments to the jury in the $40 million lawsuit filed by a former Virginia teacher shot by her 6-year-old student in a case that could set a dramatic precedent for who to blame after school shootings.

“A gun changes everything,” a lawyer for the teacher, Abby Zwerner, told jurors Wednesday, stressing it was the job of defendant Ebony Parker , then an assistant principal, to make sure everyone on campus was safe after people raised concerns a child had a gun.

See Full Page