2022----black-shadow---new-documentary-works-on-an-incredible-series-of-murders

: He committed these acts not out of a "mercy killing" impulse, but to create medical emergencies where he could then attempt to resuscitate the patients. He sought the thrill of being the "hero" in the eyes of his colleagues.

: A BBC documentary released around 2020 but frequently rebroadcast in 2022, following a mother's search for justice after her daughter's murder. The Dark Shadow of Murder | Screen Scotland

The documentary chronicles the disturbing career of Niels Högel, who worked as a nurse in clinics in Oldenburg and Delmenhorst between 1999 and 2005. : He committed these acts not out of

: It details the massive exhumation project—one of the largest in criminal history—where hundreds of bodies were tested for drug residues years after their deaths.

If your query refers to a different specific project, you may be thinking of these other major true crime releases from 2022 with similar names: The Dark Shadow of Murder | Screen Scotland

This documentary investigates the chilling case of , a German nurse who is considered the most prolific serial killer in Germany's post-war history. The Case: A "Shadow" in the Hospital

: A series on Oxygen that highlights women who killed their husbands or lovers for financial gain. The Case: A "Shadow" in the Hospital :

: While a fictional crime drama, this Australian series was inspired by real-life cold cases and follows a detective investigating the murder of a high school student 25 years later.