In a landmark ruling that has sent shockwaves through Germany’s medical community, a 41-year-old Berlin palliative care doctor has been sentenced to life imprisonment after being convicted of murdering 15 patients between 2021 and 2024, with authorities continuing to investigate his suspected involvement in more than 70 additional unexplained deaths. The Berlin Regional Court formally found the defendant, identified only as Johannes M. in line with German privacy rules, guilty of killing 12 women and three men during routine home care visits between September 2021 and July 2024. Presiding judge Sylvia Busch labeled the physician a “serial killer” at the center of an “unfathomable” and “extraordinary” case that ranks among the most disturbing serial killing incidents in modern German criminal history. After determining Johannes M. bore “particular gravity of guilt” for his premeditated crimes, the court handed down the harshest possible sentence under German law, a ruling that drastically reduces his chance of being granted parole in the future. The court also issued a permanent ban barring him from ever practicing medicine again. Unlike cases of unlawful assisted dying, where defendants often claim compassionate motivation, the court definitively ruled that Johannes M.’s killings were driven by a desire for power over his vulnerable victims. Prosecutors argued during the five-month trial that the doctor acted out of “a lust for murder”, noting he had “no other motive for killing these people than the act of killing itself”. All victims were patients under his ongoing palliative care at the time of their deaths, ranging in age from 25 to 94. Court documents detail that Johannes M. intentionally administered lethal combinations of anesthetic and muscle relaxant to his victims. The drugs paralyze the body’s respiratory muscles, triggering rapid respiratory arrest that leads to death within minutes. In at least five separate cases, the court found he set fire to victims’ apartments after killing them in an attempt to destroy evidence and cover up his crimes. The case exposes a pattern of escalating violence: on July 8, 2024, he killed two patients within a matter of hours in neighboring Berlin districts, first a 75-year-old man in Kreuzberg, then a 76-year-old woman in Neukoelln. His attempt to burn the second crime scene ultimately failed when the fire failed to spread, leaving critical clues for investigators. In a last-minute admission ahead of the verdict, Johannes M. confessed earlier this week that he had “killed people”, telling the court “I despair at myself”. According to reporting from Germany’s leading Frankfurter Allgemeine Zeitung, he added that he has only recently come to terms with “the extent of the suffering” he inflicted on victims and their families. Red flags about the doctor’s practice were first raised by local care services, prompting a formal police investigation that led to his arrest and remand in custody in August 2024. What began as an inquiry into just four suspicious deaths quickly expanded as investigators connected the dots between the doctor’s patient roster and unexplained deaths. As of the verdict announcement, dozens of additional cases remain under active investigation. The case is not an isolated incident in Germany, drawing immediate comparisons to the 2019 conviction of Niels Hoegel, a German nurse who was sentenced to life for murdering 85 patients across two hospitals. More recently, another palliative care nurse was handed a life sentence in November 2024 for killing 10 patients and attempting to kill 27 more with lethal injections.