Subdivision's social posts reflected fear before Arbery shot

Satilla Shores resident Brook Perez testifies during the trial for the killing of Ahmaud Arbery at the Glynn County Courthouse on Thursday, Nov. 18, 2021, in Brunswick, Ga. Greg McMichael, his son Travis McMichael, and neighbor William "Roddie" Bryan are charged with the February 2020 slaying of 25-year-old Ahmaud Arbery.