The mother of the suspected Apalachee High School gunman told family members that she called the school on the morning of the shooting and warned a counselor about an “extreme emergency” involving her 14-year-old son, according to text messages obtained by The Washington Post and an interview with a family member.

That account is supported by a call log from the family’s shared phone plan, which shows a 10-minute call from the mother’s phone to the school starting at 9:50 a.m. — about a half-hour before witnesses have said the gunman opened fire.