very fluid answer.........................
For example: if you are standing in your yard and you shoot a man with any rifle 200 yds away ......if on investigation they find him with a rifle and brass around the body and matching holes in you house..... you might be OK if you have a castle doctrine in you state..........................if he has a shotgun,handgun, knife or club/rock.............. not so much.....in declining order!
See Muss Muggins answer.