On September 14, 2026, U.S. Department of Justice published a firearm-related federal enforcement or policy update. Gun Felony reviewed the official release and organized the reported facts below as an original case summary.
What did DOJ or ATF announce?
A Santa Barbara County, California, man entered a guilty plea today to detonating a bomb at a Santa Maria courthouse in 2024 in an attack that injured three people, damaged the building, and was intended to kill law enforcement officers in retaliation for local law enforcement seizing his firearms earlier that year. Nathaniel James McGuire, 22, of Santa Maria, entered a guilty plea to one count of use of a weapon of mass destruction and one count of malicious destruction of a building using an explosive. McGuire has been in federal custody since September 2024.
What firearm or ammunition issue is involved?
A Santa Barbara County, California, man entered a guilty plea today to detonating a bomb at a Santa Maria courthouse in 2024 in an attack that injured three people, damaged the building, and was intended to kill law enforcement officers in retaliation for local law enforcement seizing his firearms earlier that year. After the bomb exploded, McGuire left to retrieve two long guns and 10 Molotov cocktails from his vehicle and intended to re-enter the courthouse to kill sheriff’s deputies and “splatter” (kill) a judge. He also admitted to detonating the bomb at the courthouse in retaliation for various alleged government wrongs, including Santa Barbara County sheriff’s deputies seizing his firearms earlier that year.
What is the current case status?
A Santa Barbara County, California, man entered a guilty plea today to detonating a bomb at a Santa Maria courthouse in 2024 in an attack that injured three people, damaged the building, and was intended to kill law enforcement officers in retaliation for local law enforcement seizing his firearms earlier that year. Nathaniel James McGuire, 22, of Santa Maria, entered a guilty plea to one count of use of a weapon of mass destruction and one count of malicious destruction of a building using an explosive.
Why this federal gun case matters
Federal firearm prosecutions can turn on the exact charging statute and facts. Common provisions include 18 U.S.C. § 922(g) prohibited-person offenses, § 924(c) firearm use or possession in connection with specified crimes, unlawful dealing or trafficking statutes, and National Firearms Act provisions. A press release is not a substitute for the indictment, plea agreement, judgment, or docket.
What happens next in this type of matter?
Once sentence is imposed, the written judgment controls the prison term, supervised release, financial obligations, forfeiture and other conditions. A defendant may have appellate or post-conviction options depending on the record and deadlines, but a DOJ press release does not describe every issue preserved or waived in the case.
Official record: The original government release is linked in the Sources and legal references section below.