Members of the Emanuel African Methodist Episcopal Church are being let in through a side door, presumably so they can have Sunday school.
The main service will start at 9:30 a.m. Sunday and will be the first time the congregation has worshipped at the historic black church known as the "Mother." Police say a 21-year-old white man opened fire at the end of a Bible study on Wednesday, killing nine people in a racially motivated church.
The suspect, Dylann Roof, is being held in jail on nine counts of murder and a weapons charge.
Outside the church, people are lining up to attend the service.