KANSAS CITY, Kan. (AP) — Authorities are investigating a deadly shooting in Kansas City, Kansas, as a possible case of self-defense.

The Kansas City Star reports that 48-year-old Jarrod O’Donnell was killed late Saturday. His ex-fiancee, Misty Bartlett, says she was home with a friend and her 8-year-old son when O’Donnell shattered a sliding glass door and attacked her. The friend in the home shot and killed O’Donnell, an act that Bartlett said was in self-defense.

Police Detective Cameron Morgan says initial information in the case points to a self-defense shooting, adding that O’Donnell died from multiple wounds to his abdomen. The investigation is ongoing.