The suspect, a Libyan citizen, was accused by Germany of supporting the terrorist ideology of the Islamic State.
Germany's devotion to Israeli security is now more in question than in years prior under different governments.
German approvals for arms exports have dropped sharply this past year.
The use of maps in which the territory of the State of Israel is replaced with the colors of the Palestinian flag is also in contravention of the law.
"Ultimately, the growing concerns [against Israel] are the reason why fewer approvals are being granted, even if no one wants to say it out loud."
Shortly after October 7, German Chancellor Olaf Scholz came to Israel and delivered a pledge of unconditional solidarity with Jerusalem.
According to official data, nearly 5,400 attacks against public and elected officials were carried out in Germany in 2023.
As Germany's AfD and BSW gain traction in regional elections, Israel faces a tough choice: engage with these political extremes or maintain its stance of boycotting them altogether.
Germany will hold local elections on September 1 and could see the rise of the far-right AfD party in Thuringia.
The current left-center coalition government—Social Democrats, Free Democratic Party, and Green Party—have shown no appetite to furnish Israel with military troops.