Police told WACH that Singleton, 37, had broken up with Jordan and informed him that she was dating another man before the tragic incident occurred.
Singleton and her four daughters went to Myrtle Beach with Singleton's new boyfriend to enjoy the hot weather on Sunday but realized Jordan was following them on their way home.
When the family made it back to their house in St. Matthews, Singleton told her daughters to go inside while she spoke with Jordan.
According to The Times and Democrat, Singleton told Jordan their relationship was over, and he became enraged, going inside the house to get his gun.