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The searches that followed uncovered about 190 rounds of rifle ammunition, a semiautomatic rifle and five magazines, along with a scope, bipod and pepper spray, investigators said. About 30 knives were recovered separately from Kramer’s residence. Federal agents arrested him after the searches.
What happened in Kramer’s earlier juvenile case?
He had come to authorities’ attention as a juvenile in 2023 over an alleged mass-casualty plot. After Kramer was released from a Pennsylvania juvenile facility in March 2026, the FBI received another tip raising concerns about his online behaviour and renewed contact with people he had known before the earlier case. He appeared in federal court on September 14.
Investigators were also examining another strand of Kramer’s alleged online activity — a SimpleX user calling himself “Hamza Al Rashid”. The investigation into Kramer’s online footprint extended beyond the “Hamza Al Rashid” persona. The Justice Department says he was later adjudicated delinquent for his role in that case and for possession of child sexual abuse material. During the same investigation, an FBI agent said a recording recovered from Kramer’s laptop depicted what the agent described as a pledge of allegiance to ISIS leader Abu Bakr al-Baghdadi.
The Reddit activity formed one part of a broader federal investigation that culminated in Kramer’s arrest in September. The FBI linked the persona to Kramer after comparing the account’s activity with other information gathered during the investigation. The September investigation was not Kramer’s first contact with law enforcement. That tip helped set in motion the investigation that eventually led agents back to his online accounts and, months later, to his arrest. The current case remains at the criminal-complaint stage and the accusations have not been adjudicated. Kramer retains the presumption of innocence. Prosecutors are seeking to keep him in custody while the case proceeds, citing what they describe as a threat to public safety.