Der Kaiser won the World Cup as West Germany’s captain in 1974 and as a manager in 1990.
Police have called off the hunt for an "escaped wild animal" after a 36-hour mission.
German police are investigating Waters on "suspicion of incitement" after he evoked fascist imagery at his May 17 concert.
The clash is likely the first salvo in a pending European battle over Twitter's runaway hate speech under Musk's regime.
Germany in lockstep with the US answers Kyiv's pleas to bolster the war effort.
The climate campaigner is among activists opposing the demolition of the coal village of Luetzerath.
"The science is clear, we need to keep the carbon in the ground,” the Swedish activist said.