Student Athlete Stabbed By Boyfriend | Mesa News

Mesa News Today | 2 Min News | The Daily News Now! · Aug 21, 2026 · 1m

A shocking tragedy unfolded at PennWest University when 18-year-old student-athlete Karoline Heintz was fatally stabbed by her boyfriend, Royce Moser, also 18. According to court docs, Moser claimed a “demon” told him to attack her after an argument outside his father’s home — and pulled a knife from inside the house. After the murder, he called his mother, Rachel, who allegedly helped him clean up, dispose of evidence, and drive away — even giving him gloves. Heintz’s body was found in the trunk of her car, with blood spatter around. Moser faces murder and evidence tampering charges, while…