EducationCalifornia Institute of Technology - B.S. Mechanical Engineering (2017); California State University, Dominguez Hills - M.S. Computer Science (May 2025)
OccupationPart-time tutor at C2 Education (named 'Teacher of the Month', December 2024); self-employed indie video-game developer; released game 'Bohrdom' on Steam
Political affiliationLeft-wing activist per family interviews; vocal critic of the Trump administration, the U.S. war with Iran, and Russia's war in Ukraine on a verified Bluesky account
Mental health (reported)Family described escalating radicalisation in the months prior; no formal diagnosis publicly reported
Prior criminal record Not publicly reported
Prior weapons trainingSister told investigators Allen had acquired firearms and was regularly practising at a Los Angeles-area firing range
Online footprintPosts and reposts critical of Trump on Bluesky; published indie game 'Bohrdom' on Steam; called himself a 'friendly federal assassin' in writings cited by The Washington Post
Family backgroundParents publicly said they were shocked by the arrest; sister provided investigators with details on his radicalisation
SentenceCharged with attempt to assassinate the President; transportation of firearm/ammunition in interstate commerce with intent to commit a felony; discharge of firearm during a crime of violence. Faces life in prison.
PreparationTransported firearms in interstate commerce; mailed a written note to family ≈10 minutes before the attack; ran past a magnetometer at the Terrace Level security checkpoint
Motive
Believed it was his 'duty' to target Trump administration officials over administration policies including the war with Iran; left-wing radicalisation documented in family interviews; investigators say he intended multiple targets.
“Note sent to family ≈10 minutes before the attack: 'I am no longer willing to permit a pedophile, rapist, and traitor to coat my hands with his crimes.'”
Key facts
Caltech graduate and named 'Teacher of the Month' months before the attack
Shot a Secret Service officer once in the chest; ballistic vest stopped the round
Survived return fire with minor injuries (not shot)
Wrote of himself as a 'friendly federal assassin' in materials cited by the Washington Post
Trump, Vance, and the First Lady were evacuated from the Hilton