Pennsylvania Man Charged With Terrorism Plot
Federal authorities arrested a 21-year-old man for allegedly planning mass violence in support of the Islamic State.
Updated on Sept. 20, 2026 in Terrorism
Jonathan Kramer of Valencia, Pennsylvania, has been charged with receiving firearms and ammunition to commit terrorism. FBI agents arrested the 21-year-old after he allegedly discussed using chemical poisons and explosives to attack synagogues in Pittsburgh.
Why it matters
The charges highlight ongoing federal efforts to disrupt threats of mass violence targeting religious institutions. Authorities allege Kramer sought to support the Islamic State group through a campaign of arson, vehicle attacks, and poisoning.
Federal prosecutors charged Jonathan Kramer with receiving weapons to commit terrorism following his arrest in Cranberry. Kramer appeared in court on September 16, 2026, where he waived his right to a hearing.
The players
Jonathan Kramer
He is a 21-year-old resident of Valencia, Pennsylvania, previously held in a juvenile detention facility.
Federal Bureau of Investigation
This federal law enforcement agency is responsible for investigating domestic terrorism and threats of mass violence.
Islamic State group
This is a militant extremist organization that authorities allege the defendant sought to support through acts of violence.
The details
Kramer, who used the pseudonym Hamza Al Rashid, allegedly utilized encrypted platforms to coordinate methods of attack. During a search of his property, the FBI recovered a semiautomatic rifle, five magazines, 190 rounds of ammunition, and 30 knives.
Timeline
Kramer faced previous state charges for a mass casualty plot in 2023.
FBI agents arrested Kramer during the second week of September 2026.
Assistant Attorney General announced the federal charges on September 15, 2026.
Kramer appeared in court to waive his hearing on September 16, 2026.
Legal Context
The arrest marks a continued federal focus on preventing antisemitic violence and mass casualty incidents in Pennsylvania. The case follows the 2018 Tree of Life synagogue attack in Pittsburgh, which resulted in 11 deaths and shaped regional security policies.
The arrest is linked to alleged threats against Pittsburgh synagogues, prompting heightened awareness for local religious institutions. Residents and community members may see continued federal activity as the investigation into the defendant's communications proceeds.
The takeaway
This case underscores the role of federal monitoring in identifying threats made through encrypted digital platforms. Authorities continue to emphasize that online rhetoric involving chemical poisons or explosive manufacturing can lead to significant criminal repercussions.
Further reading
For more information on national security and domestic investigations, visit the Terrorism section.
