A US-based conspiracy theorist who praised the extremists responsible for the deadly ambush of Queensland police has struck a plea deal in the United States.

An Arizona-based conspiracy theorist who praised the extremists responsible for the deadly ambush of Queensland police has struck a plea deal in the United States.

The ABC reports, citing court documents, Donald Day Jr — a convicted felon who posted online under the pseudonym “Geronimo’s Bones”, — agreed to plead guilty to possessing firearms while a felon.

In return, prosecutors will reportedly drop several ot