sulfuric acid

Torsten O. was a German serial killer who confessed to murdering at least 10 people in Hamburg between the 1970s and 1990s by dissolving their bodies in sulfuric acid. Operating across several decades in the industrialized city, his methodical approach to destroying evidence made him one of West Germany's most shocking criminals. His case became pivotal in advancing German forensic science and criminal investigation techniques.

The Danish true crime podcast series Danske Drabssager revisits a shocking case in which a woman attacked her close friend with 17 stab wounds and then threw sulfuric acid on her — the brutal culmination of a years-long conflict.