Investigators were still working on Wednesday to determine why a teenage girl opened fire two days ago at her private Christian school in Madison, Wisconsin, killing a fellow student and a teacher before taking her own life.

MADISON, Wis. (AP) — Wisconsin police did not plan any public updates Wednesday into the extremely rare religious school shooting that killed a teacher and a student and wounded six others, a day after the city’s mayor chastised reporters and urged them to leave victims alone.