Jovahn Mathis News Today

"Katie was an amazing person," said Brandon Newman, a former employee at Ellipsis. "She cared about those kids more than herself."

Jovahn Mathis, 15, faces second-degree murder charges after the deadly assault of 50-year-old Ellipsis Iowa staffer Kathleen Galloway-Menke.

The grandmother of another Ellipsis resident tells KCCI she believes the facility is understaffed and she worries about her grandchild's safety.