Saturday, August 22, 2026 -A Pennsylvania college soccer star was allegedly st@bbed to de@th by her boyfriend, who claimed “demons” told him to do it, after which he got his mom to help him dispose of the body.
Karoline Heintz was found d£ad in the back hatch of her Jeep
Cherokee at around 12:30 a.m. Thursday, just outside the Pennsylvania Western
University campus in California, Pennsylvania.
Heintz, an incoming freshman on the university’s women’s
soccer team, had met up with her boyfriend, Royce Mosher, after she attended a
family party earlier in the evening, Pennsylvania State Trooper Rocco
Gagliardi told reporters.
The couple got together at Mosher’s father’s home in North
Strabane Township, where they began talking about their relationship inside her
car before the discussion turned a “little bit south.”
“They’re a younger couple talking about how relationships
can continue maybe in a college setting. Somewhere that conversation probably
goes a little bit south,” Gagliardi said.
“Towards the end of that conversation between boyfriend and
girlfriend, he goes inside and grabs a large knife from the kitchen.”
The teen allegedly told Heintz he had something for her,
which allowed him to run inside and grab the weapon.
Mosher returned to the vehicle, where he was accused of
stabbing Heintz in the chest as she fell out of the car.
Mosher allegedly stuffed his girlfriend in the back hatch of
the Jeep before racing to his mother’s home in Beallsville, Pennsylvania,
looking for help.
“They tried to clean clothes, tried to clean the car up,
tried to get rid of any blood stains possible and then proceeded to take that
vehicle with the mother tailing all the way down to California Borough,”
Gagliardi said.
Heintz’s family called police for a wellness check on the
teen after she failed to check in with them when she was supposed to have
returned to her dorm room.
The teen’s location pinged outside the California Borough
Library, where officers found her body in the back of the abandoned,
blood-stained car, Gagliardi said.
Mosher and his mother, Rachel Mosher, were arrested Thursday
morning, August 20.
The teen allegedly confided in his mother that he had a “demon take over”
and was told to stab Heintz, CBS News Pittsburgh
reported.
Officials did not reveal a motive behind the stabbing and didn’t say if
mental history played a factor in Mosher’s alleged attack.
“It is more of an unfortunate event, 18-year-old girl, young soccer star
ready to explore life, ready to start college, now can no longer get to do
that,” Gagliardi said.
Mosher was charged with criminal homicide, two counts of tampering with
evidence, two counts of abuse of a corpse and obstruction.
His 57-year-old mother was charged with tampering, obstruction, hindering
the apprehension of a fugitive and abuse of a corpse.
She hid her face and kept her head down as she was hounded by reporters
during her walk out to a police car.
The elder Mosher claimed she “did not” do it before apologizing to
Heintz’s family, according to video from WTAE.
“I’m sorry,” Rachel Moser said as she climbed into the car. “That my son
took a life.”
Heintz had graduated from Peters Township High School in June.
She was set to start her collegiate career at PennWest University, where
she had committed to play Division II soccer, with the team’s first game set
for Aug. 29.
“PennWest University is deeply saddened by the tragic de@th of Karoline
Heintz, who was a first-year student at the California campus. Our heartfelt
condolences go out to her family, friends, and all those affected by this
tragedy,” the school said in a statement

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