Mom helped son clean up after he allegedly stabbed 18-year-old PennWest California girlfriend, police say

A mother and son are facing charges following the death of 18-year-old Karoline Heintz, a student at PennWest California. Authorities allege that Royce Moser stabbed the victim after she was in his boyfriend's car near North Strabane Township. Furthermore, Rachel Moser is charged with hindering apprehension and tampering with evidence after allegedly assisting in cleaning up the scene.