Authorities investigate purported writings from teen accused of opening fire at a Nashville high school, killing a student

(CNN) — Law enforcement officials seeking a motive for a shooting at Nashville’s Antioch High School on Wednesday morning are examining alarming social media posts and purported writings tied to a teenager police say shot and killed a 16-year-old girl.

The shooter, identified by Metro Nashville Police as 17-year-old Solomon Henderson, fired multiple rounds inside a cafeteria shortly after 11 a.m. –– killing Josselin Corea Escalante, who was described by her family as kind and loving, CNN affiliate WTVF reported.