Higgins is the eighth man charged by Michigan authorities in the case, all of them described by prosecutors as members or associates of an anti-government militia group called the Wolverine Watchmen.
Several hundred were arrested in incidents at both the Reichstag building and the nearby Brandenburg Gate, where protesters reportedly threw stones and bottles
The notion of a teenager crossing state lines with a semiautomatic rifle in hand to uphold public order shocked many Americans, but to some experts, it was the latest sign in a disturbing trend.
A German government office identified 32,080 right-wing extremists and 33,500 left-wing extremists in Germany in 2019.
The reports refer to different extremist groups in the UK, including far-right, far-left and Islamist extremists, all exploiting the public health crisis to promote hatred towards others.
Internal documents show depth to which mainstream Ger leadership seeking to ostracize new faction, deter others from joining.
The report, titled 'Hate Fuel: the hidden online world fuelling far right terror,' focused on four relatively unregulated social media platforms: BitChute, Gab, 4chan and Telegram.
The Boogaloo network's armed adherents yearn for a second civil war between ordinary Americans and a federal government they consider oppressive.
“Virus-related conspiracy theories are proliferating,” noted the Anti-Defamation League CEO.
Editor-in-chief welcomed by former antisemitic Iranian president Ahmadinejad