Colorado authorities charge an 11-year-old boy with first-degree murder after his 5-year-old brother is found dead in their Centennial home, sparking an ongoing juvenile investigation.
Armed man rams vehicle into Michigan synagogue, exchanges gunfire with security, is killed; FBI leads probe into targeted attack, motive under investigation, community unharmed.
New Mexico investigators are searching Jeffrey Epstein's former Zorro Ranch after an anonymous tip alleged two girls' bodies were buried nearby, intensifying scrutiny of past abuse claims.
Old Dominion University shooting investigated as a terrorist attack after an ex-National Guard soldier and convicted ISIS supporter kills an instructor, wounds two ROTC students on campus.
