In the desert city of Phoenix, a 27-year-old man named Matthew Bjornholt now faces terrorism charges rooted in allegations that he plotted a mass casualty attack against a Jewish or Muslim house of worship. The case, built almost entirely on the account of a single homeless acquaintance, raises enduring questions about the threshold between dangerous intent and prosecutable threat. That the FBI investigated first and declined to charge him adds a layer of institutional uncertainty to a story where the line between suspicion and evidence remains contested.
Arizona man charged with plotting mass casualty attack on religious site
Alleged plot targeted mass casualties at a religious site, though no attack occurred.
The FBI found nothing to charge him with, then the county took over.
Mark
So what's the actual charge here? Is it that he was planning to carry out an attack, or just that he talked about it?
Mimi
The charge is making a terrorist threat. The prosecution says he laid out detailed plans—bombs, guns, an accomplice to shoot survivors. But the defense says all of that comes from one person's account.
Luke
Right, and that person is someone Bjornholt kicked out of his house. The FBI already looked at this in September, searched his place, got his passwords, his devices, and found nothing to charge him with.
Mark
So why did the county pick it up after the FBI dropped it?
Mimi
That's not entirely clear from what we know. The prosecutor cited the Anarchist Cookbook and Bjornholt's criminal history, but the judge seemed skeptical—he set bond at $100,000, not the $500,000 prosecutors wanted.
Luke
And here's the thing: we don't actually know if specific targets were identified, or if there was a real accomplice, or if any of this went beyond conversation. The reporting is honest about that gap.
Mark
What about the guns they found?
Mimi
Three guns and ammunition. The defense says they were lawfully possessed—Bjornholt's rights were restored after a prior conviction.
Luke
The prior conviction is interesting too. It was a drug charge tied to a murder case that was dropped for lack of evidence. So his record is complicated.
Mark
Does the Anarchist Cookbook possession actually matter legally?
Mimi
Possession alone isn't illegal. It's the context prosecutors are arguing—that he kept it as his "Bible" while planning violence.
Luke
But the FBI didn't find evidence of that connection when they searched. That's the real problem for the prosecution's case.
The Pulse
- Prosecutors allege Bjornholt designed a two-stage attack — bombs first, then gunfire on survivors — and treated an anarchist bomb-making manual as sacred text.
- The entire case rests on one witness: a man Bjornholt evicted just days before federal agents arrived, raising immediate questions about motive and credibility.
- The FBI conducted a full search in September, reviewed Bjornholt's devices with his cooperation, found no terrorism evidence, and walked away without charges — a fact the defense is wielding forcefully.
- The judge, acknowledging the hearsay-heavy foundation, set bond at $100,000 — a fifth of what prosecutors demanded — signaling skepticism without dismissal.
- With a preliminary hearing set for October 26, the case now turns on whether county prosecutors can produce evidence that federal investigators could not find.
In the desert city of Phoenix, a 27-year-old man named Matthew Bjornholt now faces terrorism charges rooted in allegations that he plotted a mass casualty attack against a Jewish or Muslim house of worship. The case, built almost entirely on the account of a single homeless acquaintance, raises enduring questions about the threshold between dangerous intent and prosecutable threat. That the FBI investigated first and declined to charge him adds a layer of institutional uncertainty to a story where the line between suspicion and evidence remains contested.
Matthew Bjornholt, 27, was arrested in Arizona on charges of making a terrorist threat after prosecutors alleged he had drawn up a detailed plan to attack a Jewish or Muslim house of worship — first with explosives, then with an accomplice firing on survivors. Three guns and ammunition were recovered from his home.
The prosecution's foundation is a single witness: a former acquaintance Bjornholt had briefly housed before evicting him in late September. That man told authorities Bjornholt possessed 'The Anarchist Cookbook' and treated it as his guiding text. Prosecutor Stephen Garcia sought a $500,000 bond, calling Bjornholt an imminent danger.
The defense pushed back hard. Attorney Chad Schell described the witness as a 'homeless alcoholic' with an obvious grievance, and pointed to a critical fact: the FBI had already been there. On September 29, federal agents searched Bjornholt's home, reviewed his devices — which he handed over voluntarily — and found no evidence of terrorism or bomb-making. They declined to pursue charges. County authorities stepped in roughly two weeks later.
Schell also challenged the framing of the seized weapons, arguing they were lawfully owned, with Bjornholt's civil rights restored after completing a sentence on a drug charge — a murder charge from the same case having been dropped for lack of evidence.
The judge found probable cause but acknowledged the case leaned heavily on hearsay, setting bond at $100,000 rather than the requested $500,000. No specific targets have been named, and no accomplice has been identified. A preliminary hearing is scheduled for October 26, where prosecutors must demonstrate they have more than one man's word to stand on.
Matthew Bjornholt, a 27-year-old Arizona man, was arrested and charged with making a terrorist threat after prosecutors alleged he had plotted a mass casualty attack on a Jewish or Muslim house of worship. The case centers on a detailed blueprint for violence that prosecutors say Bjornholt outlined—one involving explosives detonated at a religious site, followed by an accomplice opening fire on survivors with firearms. Investigators later recovered three guns and ammunition from his home.
The prosecution's case rests heavily on a single source: a former acquaintance whom Bjornholt had briefly allowed to stay at his house before evicting him in late September. According to prosecutors in Maricopa County, this person reported that Bjornholt possessed a copy of "The Anarchist Cookbook," a manual containing bomb-making instructions historically linked to Oklahoma City bomber Timothy McVeigh. Prosecutors claimed Bjornholt referred to the book as his "Bible." During Bjornholt's initial court appearance on Friday, prosecutor Stephen Garcia argued for a $500,000 cash bond, characterizing him as an imminent danger to the community.
The defense painted a starkly different picture. Bjornholt's attorney, Chad Schell, argued that the entire case rested on unverified hearsay from a "homeless alcoholic" whom his client had kicked out of his home just two days before federal authorities executed a search warrant on September 29. Schell emphasized that the FBI had already investigated the allegations weeks earlier. During that search, Bjornholt voluntarily provided investigators with his electronic devices and passwords. According to Schell, federal agents found no evidence of terrorism or bomb-making materials and declined to pursue federal charges before county authorities took over the case roughly two weeks later.
Schell challenged the prosecution's characterization of the seized weapons, arguing they were lawfully possessed. He noted that Bjornholt's civil rights had been restored after he completed a sentence on a drug charge stemming from a closed first-degree murder case—a murder charge that was ultimately dropped due to insufficient evidence. The ammunition found in the home, Schell contended, amounted to nothing more than standard magazine loads. "There is no evidence he's a danger to the community," Schell told the court, pointing to the FBI's thorough examination of Bjornholt's devices and their decision not to pursue charges.
The judge acknowledged the weakness in the prosecution's foundation. While finding probable cause to move the case forward, the judge noted that the state's preliminary evidence relied heavily on hearsay. This assessment resulted in a bond significantly lower than prosecutors had requested: $100,000 instead of $500,000. The specifics of the alleged plot remain unclear—prosecutors have not disclosed which houses of worship, if any, were targeted, nor have they identified whether a specific accomplice was involved in the planning.
Bjornholt is scheduled to return to court on October 22 for a status conference, with a preliminary hearing set for October 26. The case now hinges on whether prosecutors can move beyond the allegations of a single informant to establish a credible threat of violence.
Notable Quotes
There is no evidence he's a danger to the community. What is the evidence that he's a danger to the community? Some hearsay statements from some dude—that my client kicked out of his house two days before September 29.— Chad Schell, Bjornholt's defense attorney, to the court
The FBI served a search warrant, got all of his electronic devices. He gave them access, gave him his passwords to those devices. They went through all of those electronic devices. They didn't see anything about terrorism. And FBI cut him loose.— Chad Schell, Bjornholt's defense attorney
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