The investigation into why a Nashville high school student fatally shot a classmate before killing himself has centered on his online writings, which authorities describe as concerning warning signs. Dozens of pages posted on social media accounts that anti-hate analysts believe belonged to the gunman include racist ideologies and plans for the shooting. Solomon Henderson, a Black 17-year-old student at Antioch High School, shot and killed Josselin Corea Escalante, who was 16 and Hispanic, in the school's cafeteria on Wednesday, then turned the gun on himself. The shooting has left Tennessee's capital city once again grappling with the fallout of a tragic school shooting. Nearly two years prior, a shooter opened fire at a private elementary school in Nashville and killed six people, including three children. MORE: https://www.wthr.com/article/news/nation-world/police-review-writings-tied-to-nashville-school-shooter/507-2b838974-7984-474a-8a8a-1604426113f7