Pa. teen says ‘demons’ made him fatally stab girlfriend, then his mom helped hide her body, police say

A Pennsylvania teenager told police “demons” prompted him to fatally stab his girlfriend, a college soccer player, before his mother helped him clean up the crime scene and move the victim’s body, authorities said Thursday. Karoline Heintz, a freshman defender at Division II PennWest California, was found dead in the back of a Jeep Cherokee [...]