JACKSONSVILLE, Fla. (AP) — A young Florida man accused by the FBI of sending bomb-making plans to an informant for an attack at a 9/11 anniversary event in Kansas City will undergo psychological evaluation.

Joshua Goldberg appeared in federal court Tuesday in northeast Florida. The judge sent him to a mental health facility in North Carolina for 30 days.

The 20-year-old who lived with his parents was arrested last week after catching authorities’ attention earlier this year in online posts under the moniker “Australi Witness,” and others.

The FBI said Goldberg called for an attack on a contest for drawings of the Prophet Muhammad in Garland, Texas, and boasted about helping plan attacks on synagogues in Australia.

The FBI says Goldberg sent instructions to an informant showing how to make a pressure cooker bomb.

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JACKSONVILLE, Fla. (AP) — A Florida man accused of sending bomb-making plans to an FBI informant for an alleged attack in Kansas City  on the 9/11 anniversary is due in federal court for a detention hearing.

Joshua Goldberg was arrested last week after catching authorities’ attention earlier this year in online posts calling for an attack on a contest for drawings of the Prophet Muhammad in Garland, Texas.

The government says Goldberg also used online aliases to boast about helping gunmen plan attacks on synagogues in Australia.

The 20-year-old is charged with distributing information relating to explosives, destructive devices and weapons of mass destruction. A criminal complaint says Goldberg told an informant how to build a bomb and suggested targeting a Sept. 11 commemoration in Kansas City. No bomb was produced.