Overview
- Zimmermann was found dead on November 18 in his apartment in Königswinter, according to Bonn police.
- An autopsy and completed death‑investigation procedure found no signs of foul play, authorities said.
- His family and longtime collaborator Tim Lehmann announced on Instagram that he died very suddenly from an epileptic seizure.
- Relatives said they were not given the opportunity to speak publicly during the initial mourning period and requested privacy.
- Zimmermann co‑founded the YouTube channel Gewitter im Kopf in 2019 and openly documented life with Tourette syndrome, including a 2022 brain‑stimulator implant, with no official link asserted between that treatment and his death.