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An Alabama woman, her pregnant teenage daughter and her 12-year-old son were found brutally murdered in their home, authorities said.

Mobile County Sheriff Paul Burch said deputies responded to a home in Wilmer just after 2:30 a.m., where they discovered the three bodies in separate rooms with their hands tied behind their backs.

The victims were identified as 46-year-old Lisa Gail Fields, who was stabbed; 17-year-old Keziah Arionna Luker, who was shot; and 12-year-old Thomas Cordelle Jr., who had his throat cut and was nearly decapitated.

"It was a brutal scene," Burch said.…