I really need help, this achievement is my last one to get 100% , i have scanned all three bounty hunters (meaning i have defeated them) as they are showing up as scanned under ''data bank'' but i have not still not unlocked the achievement, i have gone around all planets again and again to see if i am missing any but i think i have defeated all bounty hunters and i still haven't unlocked it. please if anyone can help me :')