A woman in Houston is facing murder charges for killing her 19-year-old son.

The Harris County Sheriff’s Office charged Nesha Kraidieh with murdering her son Phillip Vanshawn Apostolo by shooting him in the head.

According to the sheriff’s office, Kraidieh told investigators that during an argument at their residence Monday her son shoved her. A second argument later occurred and she shot her son while he sat on the sofa.

Hospital staff declared Phillip Vanshawn Apostolo dead.

It is not yet known what the mother and son were arguing about and details on her bond or attorney were not immediately available.