Sean Grayson was charged with opening fire on Sonya Massey, who had been calling police to report a suspected intruder at her home.

The killing of Massey, a Black mother of two who struggled with mental health issues, touched off a wave of protests and a federal probe.

Sean Grayson was charged with opening fire on Sonya Massey, who had been calling police to report a suspected intruder at her home.