Teen massacre retrieved. The W column gives a basic description of the weapons used: AUSTIN, Texas — The teenage gunman in the 2022 Robb Elementary School massacre entered school in Uvalde, Texas, as a bright learner before years of escalating academic and behavioral troubles A court heard how the boy "idolised" the killers behind the Columbine High School massacre in Colorado in the United States in 1999, which saw 12 students and a teacher murdered. 13-year-old boy with 'school shooter ideations' found with collection of guns, 'mass shooting' writings: Sheriff Materials for fireworks and explosives were also recovered at the teen's house. When deputies arrived at the home in Lake Alice, Washington on Oct. 21, they discovered a "significant crime scene" — the deceased bodies of two adults and three children — and they immediately A 15-year-old in Washington is facing multiple aggravated murder charges. Authorities have charged a 15-year-old Washington State boy with several counts of murder after five members of his family were fatally shot in their home. . A fourth sibling, an The # symbol indicates the massacre's ranking by number of deaths (since this list is sorted by death toll, not by date or by number of overall casualties). Prosecutors say he killed almost everyone in his family, including his parents and three siblings. tmsmprmtnevxrmujgcpbgptbpfgjazqdywqckhkmmjpscr