Nathaniel McGuire, the suspect in a California courthouse explosion, allegedly planned to kill deputies and a judge.

Nathaniel James McGuire, 20, was scheduled to make his first court appearance Friday on a federal charge related to Wednesday's explosion at a courthouse in Santa Maria.

During his arrest, the suspect also allegedly claimed that the government had taken his guns and yelled for people to “fight, rise up and rebel.”

A man accused of setting off an improvised explosive device in a California courthouse, injuring at least five people and causing “significant and noticeable damage,” intended to kill deputies and a judge,

Authorities say suspect Nathaniel McGuire, 20, was detained outside the courthouse as he attempted to access a car containing a shotgun, rifle, ammunition, another suspected bomb, and 10 Molotov cocktails.

A man accused of setting off an improvised explosive device in a Santa Maria courthouse, injuring at least five people and causing "significant and noticeable damage," intended to kill deputies and a judge,

The man who allegedly threw an explosive device inside a California courthouse where he was set to be arraigned, which left five injured, has been federally charged, officials announced on Friday.

Nathaniel James McGuire, a 20-year-old man from Santa Maria, was arrested shortly after the Wednesday morning attack that injured at least five people. He was expected to make his first appearance in U.S. District Court in downtown Los Angeles on Friday afternoon.

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