Overview

• The 57-year-old was found with multiple stab wounds in her home around 12:40 p.m. Tuesday and was airlifted to a Bochum specialist hospital, where her condition remains life-threatening.
• A Hagen homicide unit is leading the investigation, and the 15-year-old son and 17-year-old daughter were taken in for questioning and trace preservation after calling emergency services.
• Investigators are reviewing reports of a summer incident in which the 17-year-old allegedly attacked Stalzer with a knife to assess possible links.
• Neighbors reported a loud dispute between the son and mother before the stabbing, and authorities say there are no witnesses indicating assailants on the street.
• Media citing security sources report roughly 10 to 13 stab wounds, while national leaders expressed shock and called for a rapid clarification of the facts.