Zachary Burkard's lawyer insists it was self-defense when the then 18-year-old shot two classmates in a friend's garage after a series of threats on social media.
A teenager on trial in the killings of two Fairfax County high school students took the stand Tuesday and said he was defending a friend when he opened fire.
Zachary Burkard's lawyer insists it was self-defense when the then 18-year-old shot two classmates in a friend's garage after a series of threats on social media.
Two teenagers died and an 18-year-old is charged with murder after young people argued on social media, a fight broke out and the young man opened fire Sunday in Springfield, Virginia, police say.