Testimony is underway in a $40 million lawsuit over a 6-year-old student shooting a teacher. Here’s what we know

By Cindy Von Quednow, CNN (CNN) — “She’s just not the person that she was,” Hannah Zwerner told the court Wednesday of her twin sister as Abby Zwerner wiped away tears. Hannah Zwerner was testifying at the civil trial against an ex-assistant principal accused of ignoring multiple warning signs a 6-year-old student had a gun