How do you kill something respectfully? Bow before you shoot it in the head? And why would that matter? "Unnecessary" is a value judgement made by you, not an

How do you kill something respectfully? Bow before you shoot it in the head? And why would that matter? "Unnecessary" is a value judgement made by you, not an objective property of their death. They died for the purpose of furthering science and medical research – many people would consider that necessary even if fewer mistakes could've been made.