{"id":"feil2026brown","URL":"https://www.browndailyherald.com/article/2026/04/fbi-investigation-finds-dec-13-shooter-acted-alone-was-motivated-by-perceived-personal-failures","type":"article-newspaper","title":"FBI investigation finds Dec. 13 shooter acted alone, was motivated by perceived personal failures","author":[{"given":"Emily","family":"Feil"}],"issued":{"date-parts":[[2026,4]]},"container-title":"The Brown Daily Herald","catalog-key":"SRC0DCQD38N0SMX"}