Public Record Compendium Reporting period 2016 - present · Last revised 25 May 2026

Gregory Lee Leingang

Andeavor Mandan Refinery motorcade route, Mandan, ND ·

Presidential visit to Andeavor Mandan Refinery; the motorcade transited the area

Latest update Wikipedia
Security incidents involving Donald Trump

Target

Donald J. Trump

Perpetrator

Full name Gregory Lee Leingang
Age at time Unknown
Date of birth Not publicly reported
Gender Male
Race / ethnicity Not publicly reported
Nationality American
Residence Bismarck / Mandan area, ND
Education Not publicly documented
Occupation Not publicly documented
Political affiliation Not publicly documented
Mental health (reported) Diagnosed with ADHD and bipolar disorder; public defender said he was in a serious psychiatric crisis at the time of the incident
Prior criminal record Yes
Online footprint Not publicly documented
Family background Not publicly documented

Attempt & outcome

Weapons & equipment Stolen forklift (intended to flip the presidential limousine)
Rounds fired - perpetrator 0
Rounds fired - law enforcement 0
Distance to target -
Trump present Yes
Trump injured No
Bystander casualties 0 killed · 0 injured
Law-enforcement casualties 0 killed · 0 injured
Current status Convicted & sentenced
Sentence 10 years (arson) + 5 years (forklift theft) + 5 years (burglary), state prison; estimated release 2038
Preparation Set two arson fires earlier the same morning (a ballpark maintenance shop and the state parole office); stole a forklift from refinery grounds and drove toward the motorcade route

Motive

Confessed plan to ram and flip the presidential limousine in order to kill President Trump; forklift became jammed inside the refinery before he could reach the motorcade.

“Investigators quoted his stated intent: to flip the limo and kill the president.”

Key facts

  • Weapon of choice was a stolen forklift, not a firearm
  • Also committed two arson fires the same morning
  • Forklift became stuck inside refinery grounds; fled on foot and was arrested
  • Pleaded guilty in 2018; only confessed the assassination motive after detention
  • Public defender argued severe untreated mental illness

Coverage timeline 11 articles

  1. Wikipedia
    Security incidents involving Donald Trump

    Public-record entry placing the Leingang plot within Trump's broader threat history.

  2. Washington Post
    Inside one man's failed plan to use a stolen forklift to assassinate Trump

    Deep narrative reconstruction of the September 2017 plot and its collapse.

  3. Washington Times
    Bismarck man sentenced in plan to attack presidential limo

    Wire-style report on the federal sentencing of time served plus supervised release.

  4. KIRO 7 News
    ND man pleads guilty to using stolen forklift in Trump assassination attempt

    Cox Media wire-style summary distributed across affiliate stations.

  5. The Hill
    Man pleads guilty to planning to flip Trump's limo with a stolen forklift

    National pickup of the federal plea naming Leingang's stated motive.

  6. HuffPost
    North Dakota man pleads guilty to stealing forklift to 'kill' Trump

    Coverage emphasising Leingang's admission of intent to kill the president.

  7. Newsweek
    Man stole forklift to 'flip' Donald Trump's limo in effort to kill him

    Mainstream weekly summary of the plea agreement and arson charges.

  8. Fox News
    ND man pleads guilty to planning to kill Trump with a forklift

    National coverage of the federal plea proceeding.

  9. Valley News Live
    ND man pleads guilty after attempting to flip Trump's limo with a forklift

    Local TV report on the federal guilty plea filed in Bismarck.

  10. Grand Forks Herald
    North Dakota man pleads guilty to taking forklift, planning to flip the limo

    Court details: Leingang admitted intent to flip the presidential limousine.

  11. Bismarck Tribune
    Arson suspect accused of setting two fires in Bismarck

    Local report on the two morning fires Leingang set before stealing the forklift.

Primary sources

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