The Pike County coroner tells WYMT that the third victim of the shooting, Amber Lockard, has died.
The shooting is now a triple murder.
Friday afternoon police responded to Kentucky 292 in Martin County to find three people shot at an abandoned strip mine.
Officials pronounced Dereck James and Micah Sammons dead at the scene.
Lockard was taken to a hospital where officials said she was on life support.
Police have still not released any information about the person of interest in the shooting.