Alabama has a Castle Doctrine that allows citizens to defend themselves and others, if they are threatened in their home or place of work. The use of deadly force is legal, if the person feels they are in immediate danger, and the victim feels it's necessary to defend themselves. There is no duty to attempt to retreat
Ala. Code §§ 13A-3-20 and -23
What is Castle Doctrine?
Castle Laws are laws that address the use of force when defending one's self inside their home, or on their property. Some states expand this to vehicles, and the person's place of work. Castle Laws generally include: the places where this law applies, the requirements fro use of deadly force, if there is a duty to retreat, the amount of force that maybe used in defending one's self or others. These vary widely from state to state.