A Staten Island Trump supporter with an interest in the militia movement was arrested on Tuesday, after calling for crowds of New Yorkers to be gunned down in the streets while celebrating the election results, and threatening to "blow up the FBI building for real," according to federal prosecutors.

Brian Maiorana, 54, was arrested in Annadale, Staten Island on Tuesday morning. Federal agents who searched his home recovered a semiautomatic pistol, a Taser, a crossbow, an expandable baton, the upper portion of an AR 15 assault rifle, and several rounds of ammunition, prosecutors said.

Maiorana is barred from possessing firearms as a result of a 2007 sexual assault conviction.

The indictment stemmed from repeated online threats levied against protesters, democrats, and law enforcement officials by the Staten Island man, whose Facebook bio reads: "All Lives Matter."

“Its come to the point where pipe bombs need to be thrown into these mobs of potentially non violent violent protesters," he wrote on October 19th, according to court filings.

In a November 5th message, as the election votes were still being counted, Maiorana allegedly posted: “The carnage needs to come in the form of extermination of anyone that claims to be democrat…as well as their family members.”

Three days later, he allegedly suggested "we blow up the FBI building for real," while describing Chuck Schumer as "the Jew Senator from Jew York." Prosecutors said he referenced the Turner Diaries, an influential anti-government text frequently cited as inspiration for acts of white nationalist terrorism, including the Oklahoma City Bombing, adding: "the electoral process is finished."

Later in the day, as euphoric New Yorkers flooded into parks and roadways after Joe Biden's victory, Maiorana allegedly wrote that "right thinking people need to hit the streets while these scumbags are celebrating and start blowing them away."

The messages were shared on an unidentified social media platform. He also used the pseudonym "Proud Patriot Sailor" to post similar content on mymilitia.com, prosecutors said.

"The results of a search warrant this morning revealed that this was not simply idle chatter," said Assistant U.S. Attorney Artie McConnell during the arraignment on Tuesday night. "The defendant appears to have taken steps to acquire weapons that would make it possible for him to carry out what he stated in these violent messages."

Investigators also said they found a copy of "The Anti-Government Movement Guidebook," a skull mask, and literature about obtaining a second passport.

Maiorana was charged with sending interstate threats to injure people. Federal prosecutors said they intend to seek additional charges related to illegal firearm possession. He was ordered detained pending his trial.