Appearing before the US Federal Court in Arizona on Friday, Day confronted the consequences of his actions after striking a plea agreement with prosecutors in October 2025. He admitted to the charge of possessing firearms as a convicted felon, a move that led to the dismissal of more serious accusations, including making threats against World Health Organisation officials and FBI agents, as well as possessing an illegal shotgun.
Day’s online activities came under scrutiny when it was revealed he communicated under the alias “Geronimo’s Bones” on YouTube. He exchanged comments and videos with the Trains over a span from May 2021 to December 2022, a detail that emerged during the hearing with US District Judge John Tuchi.
The case brings to light the violent actions of brothers Nathaniel and Gareth Train, aged 46 and 47, respectively, who orchestrated a deadly ambush using high-powered rifles in December 2022. Their attack resulted in the tragic deaths of Constables Matthew Arnold, 26, and Rachel McCrow, 29, at Wieambilla.
In a subsequent act of violence, Gareth’s wife, Stacey Train, 45, alongside the brothers, took the life of a neighbor, Alan Dare, 58. These heinous acts culminated in a confrontation with tactical officers, during which the Trains were killed.
Significantly, Day was referenced in what would become the Trains’ final video, recorded shortly before their fatal encounter with law enforcement, marking the end of a grim chapter in a story of escalating violence and tragedy.
Day was mentioned in the last video the Trains ever made, filmed before they were killed in a shootout with tactical officers hours after the Wieambilla ambush.
“They came to us, and we killed them,” Gareth and Stacey Train said in the video.
“We’ll see you when we go home. We’ll see you at home, Don. Love you.”
Day responded to the video saying: “those bastards will regret that they ever f***ed with us”.
Queensland Police officers had been due to testify at Day’s now aborted trial about the alleged serious danger the American’s threats posed due to his association with the Trains.
Day had prepared a sniper’s nest for a confrontation with police and told the Trains to do the same with “determination and fury”, saying he looked forward to “taking the scalps of our enemies”.
Day encountered the Train family through public comments and videos posted around a “similar, distrustful view of society”.
A Queensland inquest in November 2025 found the Trains were delusional and believed “war had reached their gates” in the form of a battle to the death with Satanic entities disguised as police.
“It was the Trains’ shared psychotic disorders, not their communications with Mr Day, that explained their actions,” Day’s lawyer, Jon Sands, told the US court.
Mr Sands called for his client to be sentenced to two years and three months with 12 months of supervised release.
Prosecutor Timothy Courchaine asked for a sentence of three years and 10 months with three years’ supervised release.
Day was sentenced to 36 months’ imprisonment minus time already served.
He had spent two years and three months in custody since his December 2023 arrest by the FBI in Arizona.
Day will be on supervised release for three years after serving at least 90 per cent of his term.
He was also ordered to forfeit his firearms and ammunition, including military-style rifles, shotguns and handguns.
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