Retreat

Lane DeGregory: SANFORD

These days, Cheryl Brown has to walk the dog. • For a month — ever since her son heard someone screaming for help and her daughter called 911 and everyone heard the loud snap of a gunshot — Brown's children have been afraid to go outside.

Her youngest daughter, who is 9, won't even look out the window. She keeps seeing the dead teen's body.

"That could have so easily been my son," said Brown. "He wears hoodies all the time."

Brown, a 40-year-old single mom who says she is "mostly black," moved into the Retreat at Twin Lakes last year. She chose the gated subdivision of identical townhomes because it is racially diverse, lots of children live there and, she said, "it…