A Broward County Public Schools psychiatrist and therapist signed a two-page letter dated June 5, 2014, and addressed it to Dr. Brett J. Negin to warn him about one of his 15-year-old patients who would go on to commit mass murder.

A teenage girl testified on Tuesday in Broward County court about the day a deputy used force to knock her to the ground on Sept. 25, 2019, while at Cross Creek School, a therapeutic day school in Pompano Beach.