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Kyle Andrew Odom, the ex-Marine accused of shooting Idaho pastor Tim Remington, was charged Wednesday in Washington, D.C., with being a fugitive after he was arrested while throwing documents over the White House fence.

Odom, 30, was arrested without incident at 8:27 p.m. ET Tuesday at the South Fence of the White House, Coeur d'Alene, Idaho, Police Chief Lee White said. D.C. Superior Court Magistrate Judge Renee Raymond found Odom to be a flight risk and ordered him held without bond pending a hearing April 6 on whether to extradite him back to Idaho.

Odom is also wanted on an extradition warrant in Idaho on a count of attempted murder in the shooting of Remington in the parking lot of his Coeur d'Alene church Sunday.

Federal officials told NBC News that the Transportation Security Administration's no-fly list doesn't flag criminal suspects — only known or suspected terrorists who pose a threat to airplanes. And while screeners are alerted to high-profile fugitives, notification on Odom didn't arrive until after he'd already flown to Washington, they said.

Remington, a prominent evangelical preacher, had delivered the invocation at a rally for Republican presidential candidate Ted Cruz the day before, but authorities haven't said there is any link.

Odom's documents include a long, unfocused essay, described by police as a "manifesto," that suggest the shooting was instead the work of a deranged man.

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Related: What We Know About Kyle Odom, Ex-Marine Suspected of Shooting Idaho Pastor

In the documents — which were also sent to news organizations in the Northwest, including NBC station KHQ of Spokane, Washington — Odom writes that "hypersexual" beings from Mars who live underground and inside the moon have been controlling human civilization for millions of years.

Secret Service and security agents blanket the White House grounds Wednesday. Kristin Donnelly — NBC News

Remington is one of those "martians," he writes — along with dozens of other public figures, including several U.S. politicians and "every single Prime Minister" of Israel since 1948.

Among the "martians" Odom names are Senate Majority Leader Mitch McConnell, R-Kentucky; Sens. Elizabeth Warren, D-Massachusetts, Patty Murray, D-Washington, Dick Durbin, D-Illinois, and Roger Wicker, R-Mississippi; and Reps Nancy Pelosi, D-California, and John Lewis, D-Georgia, the civil rights leader and associate of the Rev. Martin Luther King Jr.

He adds: "There are many others from Israel. Too many to list."

"Don't believe me? Ask President Obama to take a lie detector test on this one," he writes.

The "martian" overlords "have a massive breeding stock of humans, which they breed and control from birth," he writes. "They use these 'humans' to live vicarious lives among us. They appear to be completely normal because they're good at imitating human behavior."

A drawing of a Martian included in a document among the materials Kyle Andrew Odom delivered to news organization. KHQ-TV

The essay includes crude drawings of one of the "martians," one of which Odom uploaded as the profile picture on his Facebook page a few hours before he was arrested Tuesday.

"The bible was inspired by Martians, not God," he writes. "There is no god. They created religion to keep mankind divided."

Odom graduated from the University of Idaho in 2014, and it was there that he became aware of the aliens, he writes. Even with the aliens menacing him, he writes, he graduated with top honors and a prestigious research fellowship — proof, he writes, that "I'm pretty smart. I'm also 100% sane, 0% crazy."

Odom's family said in a statement that he wasn't living with them, and "we are learning of his plans as they are being released by police."

"We are truly thankful to God he is safe and no one else has been injured," they said.