The shooting happened in Horsley Trailer Park in Daleville. One person was transported to Enterprise Medical Center with a gunshot wound to the head.
WDHN's Jamiese Price is enroute to the scene.
We'll have more information as it becomes available here at Dothanfirst.com and tonight on WDHN News at 5, 6 and 10.
Police have identified the victim as Loretta Leia Presley, 44.
A second person, Thomas Michael Presley, 22, was found with a gunshot wound to his head.
Police also say it appears that Presley shot and killed his step-mother before turning the gun on himself.