Planck Standard

Topic

Mass shooting

10 stories from Planck Standard. Latest: September 7, 2026.

  1. Top News

    FBI Says Teen Gunmen Who Killed Three Outside Islamic Center of San Diego Met on Accelerationist Message Board, Co-Wrote 75-Page Manifesto Praising Christchurch Shooter Brenton Tarrant

    Cain Clark, 17, and Caleb Velasquez, 18, exchanged more than 11,000 messages on Discord and Telegram in the eight months before the May 17 attack that killed mosque security guard Amin Abdullah, longtime employee Mansour Kaziha and neighbor Nader Awad, federal officials disclosed Tuesday.

    3 min read